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# The power P in watts which is dissipated in an electric

ISBN: 9780321629111 32

## Solution for problem 4.68 Chapter 4

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 4.68

The power P in watts which is dissipated in an electric circuit with resistance R is known to be given by P = I2R, where I is current in amperes and R is a constant xed at 50 ohms. However, I is a random variable with I = 15 amperes and 2 I =0 .03 amperes2. Give numerical approximations to the mean and variance of the power P.

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Assignment # 4 STA 5205, 5126 and 4202 Date: Wednesday, November 4, 2015 This assignment is based on Chapter 6. You must show all necessary work to get full credit. Please submit your assignment in due time. Some selected questions will be graded. Pl keep 1” margin in all sides of the paper. You must define both null and alternative hypotheses for any test related question....

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The power P in watts which is dissipated in an electric

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