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Mathematics 12 Online
OpenStudy (anonymous):

a multiple choice quiz contains five questions. each question has four answer choices. Michael is not prepared for the quiz and decides to guess for each question. What is the probability that Michael will get at least one question correct? what is the probability that Michael will get all five questions correct?

OpenStudy (anonymous):

1 in 4 he will get one question right. 1 in 20 he will get them all right.

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