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Mathematics, 07.04.2020 21:57 nacgrading3p6d8pf

Michael has studied a lot to get ready for the upcoming Applied Statistics Exam. Suppose his ability to answer correctly to any one of Exam problems is 75%. The Exam problems are independent from one another, and the number of Exam problems is 8.a. What is the probability that he will get two wrong answers?
b. What is the expected value and variance of the number of correct answers?
c. What is the probability that he will get at most two wrong answers?

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