The lifetime in hours of an electronic tube is a random variable having a probability density function

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The lifetime in hours of an electronic tube is a random variable having a probability density function given by

f(x) = xe^-x x ≥ 0

Compute the expected lifetime of such a tube.

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A First Course In Probability

ISBN: 9780134753119

10th Edition

Authors: Sheldon Ross

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Question Posted: Sep 09, 2021 03:10 AM

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The lifetime in hours of an electronic tube is a random variable having a probability density function

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We have fx xex x0 ...View the full answer

A First Course In Probability

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