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Find probability that time between calls exceeds mean

The density function of the time Z in minutes between calls to an electrical supply store is given by

f(z)= {1/10e^-z , 0

{0, elsewhere.

(a) What is the mean time between calls?

(b) What is the variance in the time between calls?

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Find probability that time between calls exceeds mean

Reference No:- TGS0685614

Have a Question? (oR Write a Review)

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Find probability that time between calls exceeds mean

Reference No:- TGS0685614

Recent Questions Asked Basic Statistics

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