candidate_id
stringlengths
36
63
condition
stringclasses
2 values
family
stringclasses
10 values
misconception_id
stringclasses
10 values
objective_correct_answer
stringlengths
2
20
pair_id
stringlengths
17
36
proposed_reference_answer
stringlengths
1
20
question
stringlengths
76
261
question_sha256
stringlengths
64
64
reference_correctness
stringclasses
2 values
run_id
stringclasses
1 value
schema_version
stringclasses
1 value
selector_observation_status
stringclasses
1 value
combined_work_rate-0015--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
52/5
combined_work_rate-0015
52/5
Worker A can finish a job alone in 13 hours and worker B can finish it alone in 15 hours. They work together for 3 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
799a6258a1d1e02e1b5de10dca55fd92d76ef8288c8b6c3c1c936b8e5b44dd56
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0015--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
52/5
combined_work_rate-0015
150/13
Worker A can finish a job alone in 13 hours and worker B can finish it alone in 15 hours. They work together for 3 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
799a6258a1d1e02e1b5de10dca55fd92d76ef8288c8b6c3c1c936b8e5b44dd56
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
successive_percent_change-0005--correct_reference
correct_reference
successive_percent_change
add_percentage_changes
100672/125
successive_percent_change-0005
100672/125
A quantity starts at 800. It increases by 30%, then decreases by 12%, and finally decreases by 12%. What is the final value? Give an exact value.
cdad15a675f46011ee1e119b1f57b2a2685a6a36e4e73cd5a4ebe0d5701510c0
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
successive_percent_change-0005--plausible_wrong_reference
plausible_wrong_reference
successive_percent_change
add_percentage_changes
100672/125
successive_percent_change-0005
848
A quantity starts at 800. It increases by 30%, then decreases by 12%, and finally decreases by 12%. What is the final value? Give an exact value.
cdad15a675f46011ee1e119b1f57b2a2685a6a36e4e73cd5a4ebe0d5701510c0
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0006--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
22/3
combined_work_rate-0006
22/3
Worker A can finish a job alone in 11 hours and worker B can finish it alone in 9 hours. They work together for 3 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
9c3aa16e4a0deb2ec25c5e7921bb7e0ec77806fe10b7668961e9f8247a24a816
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0006--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
22/3
combined_work_rate-0006
72/11
Worker A can finish a job alone in 11 hours and worker B can finish it alone in 9 hours. They work together for 3 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
9c3aa16e4a0deb2ec25c5e7921bb7e0ec77806fe10b7668961e9f8247a24a816
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0019--correct_reference
correct_reference
bayes_positive_test
confuse_sensitivity_with_posterior
17/314
bayes_positive_test-0019
17/314
In a population, 1% of people have a condition. A test has 85% sensitivity and 85% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
cee9e941b3e241abdc298d2b51c5201b916048605485421b14a222031e9c2353
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0019--plausible_wrong_reference
plausible_wrong_reference
bayes_positive_test
confuse_sensitivity_with_posterior
17/314
bayes_positive_test-0019
17/20
In a population, 1% of people have a condition. A test has 85% sensitivity and 85% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
cee9e941b3e241abdc298d2b51c5201b916048605485421b14a222031e9c2353
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0013--correct_reference
correct_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0013
60
How many distinct strings can be formed by rearranging all letters of BBGGGH?
2a18847175f3bec39e87f0c4262a68363063310b36f5a05162b1dc7c24e7339a
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0013--plausible_wrong_reference
plausible_wrong_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0013
720
How many distinct strings can be formed by rearranging all letters of BBGGGH?
2a18847175f3bec39e87f0c4262a68363063310b36f5a05162b1dc7c24e7339a
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0023--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
3953/48
weighted_mean-0023
3953/48
Three classes contain 19, 20, and 9 students. Their mean test scores are 91, 86, and 56, respectively. What is the mean score across all students in the three classes? Give an exact value.
afac4dd087f4507a3f6b53061f63d6d78ccad8debfbe85f01acf61d7b938065f
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0023--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
3953/48
weighted_mean-0023
233/3
Three classes contain 19, 20, and 9 students. Their mean test scores are 91, 86, and 56, respectively. What is the mean score across all students in the three classes? Give an exact value.
afac4dd087f4507a3f6b53061f63d6d78ccad8debfbe85f01acf61d7b938065f
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0021--correct_reference
correct_reference
without_replacement_probability
treat_without_replacement_as_independent
65/184
without_replacement_probability-0021
65/184
An urn contains 11 red balls and 13 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
884e79840638f9d373ecbc7f8d825b7f4c59d70e7453b5dce8aa79bb4cdb7a44
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0021--plausible_wrong_reference
plausible_wrong_reference
without_replacement_probability
treat_without_replacement_as_independent
65/184
without_replacement_probability-0021
1573/4608
An urn contains 11 red balls and 13 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
884e79840638f9d373ecbc7f8d825b7f4c59d70e7453b5dce8aa79bb4cdb7a44
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0021--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
40951/100000
at_least_one_probability-0021
40951/100000
Each of 5 independent trials succeeds with probability 1/10. What is the probability of at least one success? Give the answer as a reduced fraction.
eec603608fff1efc308f284d6aa3c215cd2cb395823cb983bb9234315bf356f4
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0021--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
40951/100000
at_least_one_probability-0021
1/2
Each of 5 independent trials succeeds with probability 1/10. What is the probability of at least one success? Give the answer as a reduced fraction.
eec603608fff1efc308f284d6aa3c215cd2cb395823cb983bb9234315bf356f4
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0019--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
2825/39
weighted_mean-0019
2825/39
Three classes contain 14, 10, and 15 students. Their mean test scores are 60, 59, and 93, respectively. What is the mean score across all students in the three classes? Give an exact value.
218f76cd0368547f385e5ba4bd2f87ede4c38fff4b66df4a33a57f671ed12f7a
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0019--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
2825/39
weighted_mean-0019
212/3
Three classes contain 14, 10, and 15 students. Their mean test scores are 60, 59, and 93, respectively. What is the mean score across all students in the three classes? Give an exact value.
218f76cd0368547f385e5ba4bd2f87ede4c38fff4b66df4a33a57f671ed12f7a
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0017--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
4651/7776
at_least_one_probability-0017
4651/7776
Each of 5 independent trials succeeds with probability 1/6. What is the probability of at least one success? Give the answer as a reduced fraction.
1dd5796f9fe4f6bed3df972e9c2f239df7aee524d788b974d0337230bab437af
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0017--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
4651/7776
at_least_one_probability-0017
5/6
Each of 5 independent trials succeeds with probability 1/6. What is the probability of at least one success? Give the answer as a reduced fraction.
1dd5796f9fe4f6bed3df972e9c2f239df7aee524d788b974d0337230bab437af
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0013--correct_reference
correct_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
360/7
equal_distance_average_speed-0013
360/7
A vehicle travels 180 km from A to B at 36 km/h and returns the same 180 km at 90 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
4db47e29de9184b371c97b8f7e638d5deb402708ba881f1cc867d64b2ff67231
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0013--plausible_wrong_reference
plausible_wrong_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
360/7
equal_distance_average_speed-0013
63
A vehicle travels 180 km from A to B at 36 km/h and returns the same 180 km at 90 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
4db47e29de9184b371c97b8f7e638d5deb402708ba881f1cc867d64b2ff67231
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0012--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
207/17
combined_work_rate-0012
207/17
Worker A can finish a job alone in 23 hours and worker B can finish it alone in 17 hours. They work together for 8 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
967860d01a32fdd1478e90fd2e76c8f2cc79c52c6294ac291ce9160e586dbc32
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0012--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
207/17
combined_work_rate-0012
255/23
Worker A can finish a job alone in 23 hours and worker B can finish it alone in 17 hours. They work together for 8 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
967860d01a32fdd1478e90fd2e76c8f2cc79c52c6294ac291ce9160e586dbc32
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0021--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
80/11
combined_work_rate-0021
80/11
Worker A can finish a job alone in 8 hours and worker B can finish it alone in 11 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
4c2c79ceff485176bb2588a8a939c5b29f79d0b783548fb4cd6653be880e0e41
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0021--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
80/11
combined_work_rate-0021
77/8
Worker A can finish a job alone in 8 hours and worker B can finish it alone in 11 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
4c2c79ceff485176bb2588a8a939c5b29f79d0b783548fb4cd6653be880e0e41
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0021--correct_reference
correct_reference
recurrence_indexing
apply_recurrence_one_time_too_few
65608
recurrence_indexing-0021
65608
A sequence is defined by a_0 = 8 and a_(k+1) = 3a_k + 4 for k >= 0. What is a_8?
eb8dc4536d7f0d0513c93e1d7f5c2f990571c78dd1ac408b1da39527a3bb7ea0
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0021--plausible_wrong_reference
plausible_wrong_reference
recurrence_indexing
apply_recurrence_one_time_too_few
65608
recurrence_indexing-0021
21868
A sequence is defined by a_0 = 8 and a_(k+1) = 3a_k + 4 for k >= 0. What is a_8?
eb8dc4536d7f0d0513c93e1d7f5c2f990571c78dd1ac408b1da39527a3bb7ea0
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0017--correct_reference
correct_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
957/20
equal_distance_average_speed-0017
957/20
A vehicle travels 52 km from A to B at 33 km/h and returns the same 52 km at 87 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
22c8d368726c55883b243c098139538e07c7a8c6f9622f8688660b645faff8f5
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0017--plausible_wrong_reference
plausible_wrong_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
957/20
equal_distance_average_speed-0017
60
A vehicle travels 52 km from A to B at 33 km/h and returns the same 52 km at 87 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
22c8d368726c55883b243c098139538e07c7a8c6f9622f8688660b645faff8f5
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0017--correct_reference
correct_reference
recurrence_indexing
apply_recurrence_one_time_too_few
608
recurrence_indexing-0017
608
A sequence is defined by a_0 = 3 and a_(k+1) = 3a_k - 1 for k >= 0. What is a_5?
ea15e88e516c6d867cfaafe98b785abfa5add31ebb9d14b42de4f14d2d397db4
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0017--plausible_wrong_reference
plausible_wrong_reference
recurrence_indexing
apply_recurrence_one_time_too_few
608
recurrence_indexing-0017
203
A sequence is defined by a_0 = 3 and a_(k+1) = 3a_k - 1 for k >= 0. What is a_5?
ea15e88e516c6d867cfaafe98b785abfa5add31ebb9d14b42de4f14d2d397db4
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0003--correct_reference
correct_reference
bayes_positive_test
confuse_sensitivity_with_posterior
34/57
bayes_positive_test-0003
34/57
In a population, 8% of people have a condition. A test has 85% sensitivity and 95% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
60f1e414389244c4819297f36d3b22aa67cf38e502485472f4241edc965fce2f
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0003--plausible_wrong_reference
plausible_wrong_reference
bayes_positive_test
confuse_sensitivity_with_posterior
34/57
bayes_positive_test-0003
17/20
In a population, 8% of people have a condition. A test has 85% sensitivity and 95% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
60f1e414389244c4819297f36d3b22aa67cf38e502485472f4241edc965fce2f
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0010--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
144495/262144
at_least_one_probability-0010
144495/262144
Each of 6 independent trials succeeds with probability 1/8. What is the probability of at least one success? Give the answer as a reduced fraction.
b0b778145ce3ecb5433c8f6d018f7887ee0aac0bcfe9b8ee609687d8ab1f277d
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0010--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
144495/262144
at_least_one_probability-0010
3/4
Each of 6 independent trials succeeds with probability 1/8. What is the probability of at least one success? Give the answer as a reduced fraction.
b0b778145ce3ecb5433c8f6d018f7887ee0aac0bcfe9b8ee609687d8ab1f277d
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0022--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
1780143/3200000
at_least_one_probability-0022
1780143/3200000
Each of 5 independent trials succeeds with probability 3/20. What is the probability of at least one success? Give the answer as a reduced fraction.
ab6337a3e9990e16d6e699b6811b2d9ae22fa8c2040f1cd25dc14dd3cc35fbd8
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0022--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
1780143/3200000
at_least_one_probability-0022
3/4
Each of 5 independent trials succeeds with probability 3/20. What is the probability of at least one success? Give the answer as a reduced fraction.
ab6337a3e9990e16d6e699b6811b2d9ae22fa8c2040f1cd25dc14dd3cc35fbd8
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0011--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
20
combined_work_rate-0011
20
Worker A can finish a job alone in 24 hours and worker B can finish it alone in 6 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
65a7f220f87b35d32870157fd15be44da7295857a6fed0b4206152d12772a9ce
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0011--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
20
combined_work_rate-0011
23/4
Worker A can finish a job alone in 24 hours and worker B can finish it alone in 6 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
65a7f220f87b35d32870157fd15be44da7295857a6fed0b4206152d12772a9ce
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0005--correct_reference
correct_reference
recurrence_indexing
apply_recurrence_one_time_too_few
319
recurrence_indexing-0005
319
A sequence is defined by a_0 = 4 and a_(k+1) = 2a_k + 1 for k >= 0. What is a_6?
8b713f1aff1b3f555cf5c4b9fbf963d3fe888508a4744bfe52cc0f3f00c3d37d
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0005--plausible_wrong_reference
plausible_wrong_reference
recurrence_indexing
apply_recurrence_one_time_too_few
319
recurrence_indexing-0005
159
A sequence is defined by a_0 = 4 and a_(k+1) = 2a_k + 1 for k >= 0. What is a_6?
8b713f1aff1b3f555cf5c4b9fbf963d3fe888508a4744bfe52cc0f3f00c3d37d
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0023--correct_reference
correct_reference
area_scaling
add_length_and_width_percent_changes
10285/8
area_scaling-0023
10285/8
A rectangle initially has length 55 and width 25. Its length is increased by 10% while its width is decreased by 15%. What is the new area? Give an exact value.
fe9ab625f27798909e4fbb407577d38548dabe2d9e686920a0f25721d22002c2
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0023--plausible_wrong_reference
plausible_wrong_reference
area_scaling
add_length_and_width_percent_changes
10285/8
area_scaling-0023
5225/4
A rectangle initially has length 55 and width 25. Its length is increased by 10% while its width is decreased by 15%. What is the new area? Give an exact value.
fe9ab625f27798909e4fbb407577d38548dabe2d9e686920a0f25721d22002c2
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0005--correct_reference
correct_reference
without_replacement_probability
treat_without_replacement_as_independent
27/80
without_replacement_probability-0005
27/80
An urn contains 7 red balls and 9 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
c53175d87cc1be7a1780792232300b3c6de5649481cfd45f240cd222bb4d595d
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0005--plausible_wrong_reference
plausible_wrong_reference
without_replacement_probability
treat_without_replacement_as_independent
27/80
without_replacement_probability-0005
1323/4096
An urn contains 7 red balls and 9 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
c53175d87cc1be7a1780792232300b3c6de5649481cfd45f240cd222bb4d595d
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0023--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
162/17
combined_work_rate-0023
162/17
Worker A can finish a job alone in 18 hours and worker B can finish it alone in 17 hours. They work together for 8 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
efc0fc617ba541bc19410d25bb14c6b3355db5a67b9ebf1a2ce23e8798998988
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0023--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
162/17
combined_work_rate-0023
85/9
Worker A can finish a job alone in 18 hours and worker B can finish it alone in 17 hours. They work together for 8 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
efc0fc617ba541bc19410d25bb14c6b3355db5a67b9ebf1a2ce23e8798998988
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0010--correct_reference
correct_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
1260
repeated_object_permutations-0010
1260
How many distinct strings can be formed by rearranging all letters of DDDDCCCEE?
d98f25805c141cb1f998c184b71a113bd22dbf3dbb61078176d66a05d9a3dd94
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0010--plausible_wrong_reference
plausible_wrong_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
1260
repeated_object_permutations-0010
362880
How many distinct strings can be formed by rearranging all letters of DDDDCCCEE?
d98f25805c141cb1f998c184b71a113bd22dbf3dbb61078176d66a05d9a3dd94
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0008--correct_reference
correct_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0008
60
How many distinct strings can be formed by rearranging all letters of AAGGGB?
dc180860f2efc51f9eec66dd965f8bc1944277797c7d02fa01818172a47cb37f
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0008--plausible_wrong_reference
plausible_wrong_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0008
720
How many distinct strings can be formed by rearranging all letters of AAGGGB?
dc180860f2efc51f9eec66dd965f8bc1944277797c7d02fa01818172a47cb37f
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0003--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
5106/71
weighted_mean-0003
5106/71
Three classes contain 22, 25, and 24 students. Their mean test scores are 83, 64, and 70, respectively. What is the mean score across all students in the three classes? Give an exact value.
a2aead8625d96cadc20d8c7b02f705d717245fa00e965fe54dc4217485c2d78e
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0003--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
5106/71
weighted_mean-0003
217/3
Three classes contain 22, 25, and 24 students. Their mean test scores are 83, 64, and 70, respectively. What is the mean score across all students in the three classes? Give an exact value.
a2aead8625d96cadc20d8c7b02f705d717245fa00e965fe54dc4217485c2d78e
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0000--correct_reference
correct_reference
without_replacement_probability
treat_without_replacement_as_independent
28/95
without_replacement_probability-0000
28/95
An urn contains 8 red balls and 12 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
ed4dac653ac329a8cad0b954b41c2a8d3cf36ddb50f06c80e50de23182f05b6f
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0000--plausible_wrong_reference
plausible_wrong_reference
without_replacement_probability
treat_without_replacement_as_independent
28/95
without_replacement_probability-0000
36/125
An urn contains 8 red balls and 12 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
ed4dac653ac329a8cad0b954b41c2a8d3cf36ddb50f06c80e50de23182f05b6f
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0011--correct_reference
correct_reference
area_scaling
add_length_and_width_percent_changes
756
area_scaling-0011
756
A rectangle initially has length 40 and width 15. Its length is increased by 40% while its width is decreased by 10%. What is the new area? Give an exact value.
293edf82fd5e6513d5922dc8338660011643f32e22c81e2f3deba71eddf3df44
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0011--plausible_wrong_reference
plausible_wrong_reference
area_scaling
add_length_and_width_percent_changes
756
area_scaling-0011
780
A rectangle initially has length 40 and width 15. Its length is increased by 40% while its width is decreased by 10%. What is the new area? Give an exact value.
293edf82fd5e6513d5922dc8338660011643f32e22c81e2f3deba71eddf3df44
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0013--correct_reference
correct_reference
recurrence_indexing
apply_recurrence_one_time_too_few
2558
recurrence_indexing-0013
2558
A sequence is defined by a_0 = 8 and a_(k+1) = 2a_k + 2 for k >= 0. What is a_8?
c1c10ff86008ab7af3c85695d5791f6cb797892714552faafafc21e0efb22c82
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0013--plausible_wrong_reference
plausible_wrong_reference
recurrence_indexing
apply_recurrence_one_time_too_few
2558
recurrence_indexing-0013
1278
A sequence is defined by a_0 = 8 and a_(k+1) = 2a_k + 2 for k >= 0. What is a_8?
c1c10ff86008ab7af3c85695d5791f6cb797892714552faafafc21e0efb22c82
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0013--correct_reference
correct_reference
bayes_positive_test
confuse_sensitivity_with_posterior
15/37
bayes_positive_test-0013
15/37
In a population, 12% of people have a condition. A test has 75% sensitivity and 85% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
8ad697e86599a3160b8de66694af519174cc5e0f89d2762a5fca8a7fe509c1b7
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
bayes_positive_test-0013--plausible_wrong_reference
plausible_wrong_reference
bayes_positive_test
confuse_sensitivity_with_posterior
15/37
bayes_positive_test-0013
3/4
In a population, 12% of people have a condition. A test has 75% sensitivity and 85% specificity. For a randomly selected person whose test is positive, what is the probability that the person actually has the condition? Give the answer as a reduced fraction.
8ad697e86599a3160b8de66694af519174cc5e0f89d2762a5fca8a7fe509c1b7
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0023--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
386128261/1280000000
at_least_one_probability-0023
386128261/1280000000
Each of 7 independent trials succeeds with probability 1/20. What is the probability of at least one success? Give the answer as a reduced fraction.
8db202a0b58e0b6d278772018952d4fdead240e5c13030a78efe98873049ae90
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0023--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
386128261/1280000000
at_least_one_probability-0023
7/20
Each of 7 independent trials succeeds with probability 1/20. What is the probability of at least one success? Give the answer as a reduced fraction.
8db202a0b58e0b6d278772018952d4fdead240e5c13030a78efe98873049ae90
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
successive_percent_change-0008--correct_reference
correct_reference
successive_percent_change
add_percentage_changes
5525/4
successive_percent_change-0008
5525/4
A quantity starts at 1000. It increases by 30%, then decreases by 15%, and finally increases by 25%. What is the final value? Give an exact value.
b025fd89318bbd2182a6be62a8c67c6d78bdcc25368d290b763d95f4b460cf26
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
successive_percent_change-0008--plausible_wrong_reference
plausible_wrong_reference
successive_percent_change
add_percentage_changes
5525/4
successive_percent_change-0008
1400
A quantity starts at 1000. It increases by 30%, then decreases by 15%, and finally increases by 25%. What is the final value? Give an exact value.
b025fd89318bbd2182a6be62a8c67c6d78bdcc25368d290b763d95f4b460cf26
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0012--correct_reference
correct_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
648/13
equal_distance_average_speed-0012
648/13
A vehicle travels 52 km from A to B at 36 km/h and returns the same 52 km at 81 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
735da58b8ff9c8f5a533289eb809f10b6b0822f8e4f509dbb1d8f9f5b600fbd5
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0012--plausible_wrong_reference
plausible_wrong_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
648/13
equal_distance_average_speed-0012
117/2
A vehicle travels 52 km from A to B at 36 km/h and returns the same 52 km at 81 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
735da58b8ff9c8f5a533289eb809f10b6b0822f8e4f509dbb1d8f9f5b600fbd5
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0015--correct_reference
correct_reference
recurrence_indexing
apply_recurrence_one_time_too_few
6924
recurrence_indexing-0015
6924
A sequence is defined by a_0 = 8 and a_(k+1) = 3a_k + 3 for k >= 0. What is a_6?
507bac877b437cb96a4ded256a685b21fe0e91000598e2c7c3ed44a971e63fb8
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
recurrence_indexing-0015--plausible_wrong_reference
plausible_wrong_reference
recurrence_indexing
apply_recurrence_one_time_too_few
6924
recurrence_indexing-0015
2307
A sequence is defined by a_0 = 8 and a_(k+1) = 3a_k + 3 for k >= 0. What is a_6?
507bac877b437cb96a4ded256a685b21fe0e91000598e2c7c3ed44a971e63fb8
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0014--correct_reference
correct_reference
without_replacement_probability
treat_without_replacement_as_independent
33/68
without_replacement_probability-0014
33/68
An urn contains 11 red balls and 6 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
e908ebdd3e52da22634e62f991ae2fc3a0458f36c219b3ed28d5a19fd6211932
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0014--plausible_wrong_reference
plausible_wrong_reference
without_replacement_probability
treat_without_replacement_as_independent
33/68
without_replacement_probability-0014
2178/4913
An urn contains 11 red balls and 6 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
e908ebdd3e52da22634e62f991ae2fc3a0458f36c219b3ed28d5a19fd6211932
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0016--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
376/5
weighted_mean-0016
376/5
Three classes contain 27, 8, and 20 students. Their mean test scores are 76, 78, and 73, respectively. What is the mean score across all students in the three classes? Give an exact value.
3875bd08def74d0e11b005645b496eb708a1881c2dd3fff30a05fe1efd9427b6
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0016--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
376/5
weighted_mean-0016
227/3
Three classes contain 27, 8, and 20 students. Their mean test scores are 76, 78, and 73, respectively. What is the mean score across all students in the three classes? Give an exact value.
3875bd08def74d0e11b005645b496eb708a1881c2dd3fff30a05fe1efd9427b6
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0017--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
35/3
combined_work_rate-0017
35/3
Worker A can finish a job alone in 14 hours and worker B can finish it alone in 6 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
63950260067a216606485f4a2cff4255ce3cd984b065ac0ba205e4c11d419795
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0017--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
35/3
combined_work_rate-0017
39/7
Worker A can finish a job alone in 14 hours and worker B can finish it alone in 6 hours. They work together for 1 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
63950260067a216606485f4a2cff4255ce3cd984b065ac0ba205e4c11d419795
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0004--correct_reference
correct_reference
area_scaling
add_length_and_width_percent_changes
20475/4
area_scaling-0004
20475/4
A rectangle initially has length 65 and width 70. Its length is increased by 25% while its width is decreased by 10%. What is the new area? Give an exact value.
079a5bf1d5c2d7811c75ce416196a72413682b1bf29684cdc98d4ab474f67761
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0004--plausible_wrong_reference
plausible_wrong_reference
area_scaling
add_length_and_width_percent_changes
20475/4
area_scaling-0004
10465/2
A rectangle initially has length 65 and width 70. Its length is increased by 25% while its width is decreased by 10%. What is the new area? Give an exact value.
079a5bf1d5c2d7811c75ce416196a72413682b1bf29684cdc98d4ab474f67761
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0003--correct_reference
correct_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
560
repeated_object_permutations-0003
560
How many distinct strings can be formed by rearranging all letters of HHHDDDFF?
60821d0b09bd6a73ce1f0febd0d5ecad9fe3f6b65f8769f85ff26a60dcbd7efc
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0003--plausible_wrong_reference
plausible_wrong_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
560
repeated_object_permutations-0003
40320
How many distinct strings can be formed by rearranging all letters of HHHDDDFF?
60821d0b09bd6a73ce1f0febd0d5ecad9fe3f6b65f8769f85ff26a60dcbd7efc
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0020--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
1308/17
weighted_mean-0020
1308/17
Three classes contain 14, 20, and 17 students. Their mean test scores are 65, 81, and 82, respectively. What is the mean score across all students in the three classes? Give an exact value.
247378d5d60401d06355e2b9c063a73cc3f64282fc896bc68110055075aba4b0
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0020--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
1308/17
weighted_mean-0020
76
Three classes contain 14, 20, and 17 students. Their mean test scores are 65, 81, and 82, respectively. What is the mean score across all students in the three classes? Give an exact value.
247378d5d60401d06355e2b9c063a73cc3f64282fc896bc68110055075aba4b0
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0010--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
4917/65
weighted_mean-0010
4917/65
Three classes contain 21, 28, and 16 students. Their mean test scores are 93, 67, and 68, respectively. What is the mean score across all students in the three classes? Give an exact value.
78c6bf16f26d16bbc104c4f9940b4f86676b322959b6ce0442a61bd8afa0fff8
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0010--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
4917/65
weighted_mean-0010
76
Three classes contain 21, 28, and 16 students. Their mean test scores are 93, 67, and 68, respectively. What is the mean score across all students in the three classes? Give an exact value.
78c6bf16f26d16bbc104c4f9940b4f86676b322959b6ce0442a61bd8afa0fff8
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0006--correct_reference
correct_reference
without_replacement_probability
treat_without_replacement_as_independent
39/92
without_replacement_probability-0006
39/92
An urn contains 13 red balls and 11 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
b9b0134001287bd2d77a0f98b6fb6823b77ceabaebb9151fbe35333001192988
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
without_replacement_probability-0006--plausible_wrong_reference
plausible_wrong_reference
without_replacement_probability
treat_without_replacement_as_independent
39/92
without_replacement_probability-0006
1859/4608
An urn contains 13 red balls and 11 blue balls. Three balls are drawn uniformly without replacement. What is the probability that exactly two are red? Give the answer as a reduced fraction.
b9b0134001287bd2d77a0f98b6fb6823b77ceabaebb9151fbe35333001192988
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0004--correct_reference
correct_reference
weighted_mean
unweighted_mean_of_group_means
78
weighted_mean-0004
78
Three classes contain 6, 16, and 13 students. Their mean test scores are 82, 70, and 86, respectively. What is the mean score across all students in the three classes? Give an exact value.
40fbe9250d850e4e3a56443c59db12d6fab9369b179c8d4b4ef8e257cc88710b
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
weighted_mean-0004--plausible_wrong_reference
plausible_wrong_reference
weighted_mean
unweighted_mean_of_group_means
78
weighted_mean-0004
238/3
Three classes contain 6, 16, and 13 students. Their mean test scores are 82, 70, and 86, respectively. What is the mean score across all students in the three classes? Give an exact value.
40fbe9250d850e4e3a56443c59db12d6fab9369b179c8d4b4ef8e257cc88710b
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0014--correct_reference
correct_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0014
60
How many distinct strings can be formed by rearranging all letters of GGCCCE?
8509a665e7fea774c9088088a74cd18034ea46acd5c3794f1e88efe50c14402a
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
repeated_object_permutations-0014--plausible_wrong_reference
plausible_wrong_reference
repeated_object_permutations
treat_repeated_objects_as_distinct
60
repeated_object_permutations-0014
720
How many distinct strings can be formed by rearranging all letters of GGCCCE?
8509a665e7fea774c9088088a74cd18034ea46acd5c3794f1e88efe50c14402a
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0016--correct_reference
correct_reference
area_scaling
add_length_and_width_percent_changes
9945/4
area_scaling-0016
9945/4
A rectangle initially has length 85 and width 30. Its length is increased by 30% while its width is decreased by 25%. What is the new area? Give an exact value.
cad10391ec26adbed10003e6fe240dd15c16d99da21da2d09ed4093c2927696d
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0016--plausible_wrong_reference
plausible_wrong_reference
area_scaling
add_length_and_width_percent_changes
9945/4
area_scaling-0016
5355/2
A rectangle initially has length 85 and width 30. Its length is increased by 30% while its width is decreased by 25%. What is the new area? Give an exact value.
cad10391ec26adbed10003e6fe240dd15c16d99da21da2d09ed4093c2927696d
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0010--correct_reference
correct_reference
combined_work_rate
use_departed_workers_rate_for_remainder
95/7
combined_work_rate-0010
95/7
Worker A can finish a job alone in 19 hours and worker B can finish it alone in 7 hours. They work together for 2 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
123009501a7ec31f8660a0cd2ea1e790057fd7d5b93126eb750bb2be8aaac81c
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
combined_work_rate-0010--plausible_wrong_reference
plausible_wrong_reference
combined_work_rate
use_departed_workers_rate_for_remainder
95/7
combined_work_rate-0010
119/19
Worker A can finish a job alone in 19 hours and worker B can finish it alone in 7 hours. They work together for 2 hours; then B leaves and A finishes the remaining work alone. How many hours elapse from the start until the job is finished? Give an exact value.
123009501a7ec31f8660a0cd2ea1e790057fd7d5b93126eb750bb2be8aaac81c
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0008--correct_reference
correct_reference
area_scaling
add_length_and_width_percent_changes
588
area_scaling-0008
588
A rectangle initially has length 35 and width 15. Its length is increased by 40% while its width is decreased by 20%. What is the new area? Give an exact value.
996265ae17fa9ecd0e843a9a49fc8abb0e8b2e6eb4dc4dbbada65121ffec8ec3
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
area_scaling-0008--plausible_wrong_reference
plausible_wrong_reference
area_scaling
add_length_and_width_percent_changes
588
area_scaling-0008
630
A rectangle initially has length 35 and width 15. Its length is increased by 40% while its width is decreased by 20%. What is the new area? Give an exact value.
996265ae17fa9ecd0e843a9a49fc8abb0e8b2e6eb4dc4dbbada65121ffec8ec3
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0002--correct_reference
correct_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
528/19
equal_distance_average_speed-0002
528/19
A vehicle travels 178 km from A to B at 24 km/h and returns the same 178 km at 33 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
adc00ff14628f4eeead98cb9d0593ad15bd97c837241224b6c104462bf060d0a
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
equal_distance_average_speed-0002--plausible_wrong_reference
plausible_wrong_reference
equal_distance_average_speed
arithmetic_mean_of_speeds
528/19
equal_distance_average_speed-0002
57/2
A vehicle travels 178 km from A to B at 24 km/h and returns the same 178 km at 33 km/h. What is its average speed for the entire round trip? Give an exact value in km/h.
adc00ff14628f4eeead98cb9d0593ad15bd97c837241224b6c104462bf060d0a
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0006--correct_reference
correct_reference
at_least_one_probability
add_overlapping_success_events
397/1728
at_least_one_probability-0006
397/1728
Each of 3 independent trials succeeds with probability 1/12. What is the probability of at least one success? Give the answer as a reduced fraction.
b84ab7f3f024e95f1036467d6e6d9732733c0c0a1bba4e141c322c924204fef8
correct
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run
at_least_one_probability-0006--plausible_wrong_reference
plausible_wrong_reference
at_least_one_probability
add_overlapping_success_events
397/1728
at_least_one_probability-0006
1/4
Each of 3 independent trials succeeds with probability 1/12. What is the probability of at least one success? Give the answer as a reduced fraction.
b84ab7f3f024e95f1036467d6e6d9732733c0c0a1bba4e141c322c924204fef8
incorrect
stage1-coherent-wrong-label-v1
curcon.coherent_wrong_label_twin.v1
not_yet_run