(Answered) Question a mainframe computer in a university crashes on

Statistics

Question: A mainframe computer in a university crashes on the average 0.71 time in a semester.

a. What is the probability that it will crash at least two times in a given semester?

b. What is the probability that it will not crash at all in a given semester?

c. The MIS administrator wants to increase the probability of no crash at all in a semester to at least 90%. What is the largest µ that will achieve this goal?

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