Mathematics, 20.07.2020 01:01 snikergrace

Philip ran out of time while taking a multiple-choice test and plans to guess on the last 4 questions. Each question has 5 possible choices, one of which is correct. Let X, equals the number of answers Philip correctly guesses in the last 4 questions. Assume that the results of his guesses are independent. What is the probability that he answers fewer than 2 questions correctly in the last 4 questions?

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