Mathematics, 26.11.2019 05:31 imran2k13

Dave fails quizzes with probability 1/4, independent of other quizzes. (a) what is the probability that dave fails exactly two of the next six quizzes? (b) what is the expected number of quizzes that dave will pass before he has failed three times? (c) what is the probability that the second and third time dave fails a quiz will occur when he takes his eighth and ninth quizzes, respectively? (d) what is the probability that dave fails two quizzes in a row before he passes two quizzes in a row?

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Dave fails quizzes with probability 1/4, independent of other quizzes. (a) what is the probability t...

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