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18 April, 21:41

A history quiz consists of five true-false questions. If you guess on each question, then the probability of answering all five questions correctly is approximately

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  1. 18 April, 21:52
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    3.5% Because You'd Have A 50/50 Shot Every time You Answer A True Or False Question.
  2. 18 April, 22:03
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    The probability of answering all 5 questions correctly will be

    (1:2) X (1:2) X (1:2) X (1:2) X (1:2) = 0.03125

    So probability is 3.125%
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