Question: The life (in hours) of a computer processing unit (CPU) is modeled by a Weibull distribution with parameters and hours. (a) Determine the mean life

The life (in hours) of a computer processing unit

(CPU) is modeled by a Weibull distribution with parameters and 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?

  3   900

  2   10,000 P1X  10,0002 P1X  50002

  100

  0.2

  0.2   100

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