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Mathematics, 07.03.2020 20:12 vdavihbk

Assume that random guesses are made for eight multiple choice questions on an SAT test, so that there are n=8 trials, each with probability of success (correct) given by p= 0.2 .find the indicated probability for the number of correct answer.
find the probability that the number x of correct answer is fewer than 4
P(X<4) (round to four decimal places as needed)

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