Dreams Recalled during One Week None 1 to 4 5 or more Total Group X 15 28 57 100 Group Y 21 11 68 100 Total 36 39 125 200 The data in the table above were produced by a sleep researcher studying the number of dreams people recall when asked to record their dreams for one week. Group X consisted of 100 people who observed early bedtimes, and Group Y consisted of 100 people who observed later bedtimes. If a person is chosen at random from those who recalled at least 1 dream, what is the probability that the person belonged to Group Y ?
Source: Questions from the AGIEval benchmark's SAT subsets, derived from pre-2016 College Board SAT exams.
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These items follow the pre-2016 paper SAT format and do not reflect the current digital SAT. Useful as a benchmark set, not as current test preparation.
id agieval_sat:153bbc5a59cb8bf16589e894a9b20356
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