Question: solve all parts please provide me complete solution thanks Q4 (10 points) Q4.(10) For one statistics course, among the students who purchase textbook, 40% choose

solve all parts please provide me complete solution thanks

Q4 (10 points) Q4.(10) For one statistics course, among the students who purchase textbook, 40% choose physical textbook, 60% choose electronic textbook. Assume three students who made the purchase are randomly selected. Let random variable X be the number of students chosen electronic textbook minus the number of students chosen physical textbook. 1.(6) find the probability distribution of X. 2.(4) calculate the mean and variance of X. + Drag and drop an image or PDF file or click to browse

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