{"id":"aqua_rat:152e236a65d7fd5905e784c4f4090a67","source_id":"aqua_rat","source_item_id":"152e236a65d7fd5905e784c4f4090a67","external_id":null,"program":null,"section":"math","category_code":"PHM","category":"Preparing for Higher Math","subcategory_code":null,"subcategory":null,"form_id":null,"passage_id":null,"position":null,"scored":true,"layout_warning":null,"stem":"Three friends Alan, Roger and Peter attempt to answer a question on an exam. Alan randomly guesses the answer, giving him a 1/5 probability of guessing correctly. Roger cheats by looking at the paper of the student in front of him, giving him a 2/3 probability of answering correctly. And Peter dutifully performs the calculations, then marks the answer, giving him a 5/6 probability of a correct answer. What is the probability that the question is answered correctly, but not via cheating?","stimulus":"","stimulus_html":null,"stem_html":"<p>Three friends Alan, Roger and Peter attempt to answer a question on an exam. Alan randomly guesses the answer, giving him a 1/5 probability of guessing correctly. Roger cheats by looking at the paper of the student in front of him, giving him a 2/3 probability of answering correctly. And Peter dutifully performs the calculations, then marks the answer, giving him a 5/6 probability of a correct answer. What is the probability that the question is answered correctly, but not via cheating?</p>","rationale_html":"<p>Prob(Alan) = 1/5</p><p>Prob(Roger) without cheating = 2/3-1 = 1/3</p><p>Prob(Peter) = 5/6</p><p>Total Probability = 1/5*1/3*/5/6 = 1/18</p><p>Answer is A</p>","correct_answer":["A"],"equiv_key":"6db5b8f2172a8e1b3e8a3f79","has_media":false,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"A","content_html":"<p>1/18</p>","ord":0},{"label":"B","content_html":"<p>1/9</p>","ord":1},{"label":"C","content_html":"<p>23/90</p>","ord":2},{"label":"D","content_html":"<p>5/18</p>","ord":3},{"label":"E","content_html":"<p>13/45</p>","ord":4}],"passage":null,"attribution":{"source_id":"aqua_rat","source_name":"AQuA-RAT algebra word problems with rationales","rights_holder":"Google DeepMind and the AQuA-RAT contributors","canonical_url":"https://github.com/google-deepmind/AQuA","retrieved_from":"https://raw.githubusercontent.com/google-deepmind/AQuA/master/","attribution":"Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.","disclaimer":"AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.","license":"Apache License 2.0. Crowdsourced by DeepMind and published for free use, including commercially.","redistributable":true,"item_count":508},"equivalents":[]}