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Assume that random guesses are made for five multiple-choice questions on an ACT test, so there...

Assume that random guesses are made for five multiple-choice questions on an ACT test, so there are n=5 trials, each with probability of success (correct) given by p=0.20 . Find the probability that the number x of correct answers is fewer than 3.

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if, intermediate calculations and final answer rounds to 4 decimals answer will be = (0.9421)

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