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# Determine the mean and variance of the random | Ch 4.4 - 42E ISBN: 9781118539712 55

## Solution for problem 42E Chapter 4.4

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 42E

Problem 42E

Determine the mean and variance of the random variable in Exercise 4-14. Step-by-Step Solution:

Solution

Step 1 of 2

We have to find the mean and variance of the random variable

The given probability density function is = Mean= = = =  =786.667-1711.67

= -925.003

Step 2 of 2

##### ISBN: 9781118539712

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Determine the mean and variance of the random | Ch 4.4 - 42E