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Assume that the amount of time student needs to answer each of the questions on exam are independent exponential random variables, and the expected amount of time required to answer a single question is eight minutes. The exam has five questions.

(a) Find out the expected value and standard deviation of the amount of time it will take the student to complete the exam.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91124139

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