The lifetime of a cooling fan, in hours, that is used in a computer system has the Weibull distribution with α = 1.5 and β = 0.0001. a) What is the probability that a fan lasts more than 10,000 hours? b) What is the probability that a fan lasts less than 5000 hours? c) What is the probability that a fan lasts between 3000 and 9000 hours?
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