The life in hours of a magnetic resonance imagining

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The life (in hours) of a magnetic resonance imagining machine (MRI) is modeled by a Weibull distribution with parameters ß = 2 and d = 500 hours.

(a) Determine the mean life of the MRI.

(b) Determine the variance of the life of the MRI.

(c) What is the probability that the MRI fails before 250 hours?

Reference no: EM13577375

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