Need help number4. Let X be the random variable that represents the life in hours of a certain electronic device. Theprobability density function of X is f(x) = 20000, > 100. Find the expected life of this type of device.

It is given that The probability density function of X isf(x) = 20000/x3 ; x > 100

Answered: . Let X be the random variable that…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section5.5: Exponential And Logarithmic Models

Problem 4ECP

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. Let X be the random variable that represents the life in hours of a certain electronic device. The probability density function of X is f(x) = 20000, > 100. Find the expected life of this type of device.