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Mathematics, 16.07.2019 05:10 uuuugggghhhh2463

Assume that random guesses are made for nine multiple choice questions on an sat test, so that there are nequals9 trials, each with probability of success (correct) given by pequals0.4. find the indicated probability for the number of correct answers. find the probability that the number x of correct answers is fewer than 4.

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