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Exponential probability density function

The lifetime (hours) of an electronic device is a random variable with the exponential probability density function:

f(x) = 1/50e-x/50for x ?Y 0

a. What is the mean lifetime of the device?

b. What is the probability the device fails in the first 25 hours of operation?

c. What is the probability the device operates 100 or more hours before failure?

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Solution Preview :

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Finance Basics: Exponential probability density function

Reference No:- TGS0681453

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Solution Preview :

Prepared by a verified Expert

Finance Basics: Exponential probability density function

Reference No:- TGS0681453

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