Mathematics
Mathematics, 06.03.2020 23:33, willveloz4

A multiple-choice test in which each question has 4 choices only one of which is correct. Assume that 9 questions are answered by guessing randomly. What is the probability of getting exactly 6 correct answers?

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A multiple-choice test in which each question has 4 choices only one of which is correct. Assume tha...

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