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9. A student takes a 5 - question, multiple-choice exam with four choices for each question and guesses on each question. n = p= q

9. A student takes a 5 - question, multiple-choice exam with four choices for each question and guesses on each question. n = p= q = a) Find the probability of guessing exactly 2 out of 5 correctly. P (X = 2) = b) Find the probability of guessing at most 2 out of 5 correctly. P (at most 2) =

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