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13 April, 12:50

A multiple choice test contains 50 questions with 4 answer choices. what is the probability of correctly answering 15 questions if you guess randomly on each question

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  1. 13 April, 13:18
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    The probability of answering each question correctly is 1/4 ... since there is 1 correct answer out of 4 answer choices.

    probability of answering 15 correct ... (1/4) ^15 = 1/1073741824
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