The life in hours of a computer processing unit cpu is

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The life (in hours) of a computer processing unit (CPU) is modeled by a Weibull distribution with parameters ß = 3 and d = 900 hours.

a) Determine the mean life of the CPU.

b) Determine the variance of the life of the CPU.

c) What is the probability that the CPU fails before 500 hours?

Reference no: EM13577377

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