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# The standard deviation for a random variable with probability density function f and

ISBN: 9781305270336 484

## Solution for problem 20 Chapter 8.5

Single Variable Calculus: Early Transcendentals | 8th Edition

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Problem 20

The standard deviation for a random variable with probability density function f and mean is defined by Fy  2 sx 2 d 2 fsxd dxG 1y2 Find the standard deviation for an exponential density function with mean

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