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23 September, 10:43

An exam consists of 10 true-or-false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly 6 questions correctly?

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  1. 23 September, 11:06
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    1/2 x 1/2 x 1/2 x 1/2 x 1/2 x 1/2 = 1/64.

    I think there is is 1/64 chance.
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