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# Suppose that X and Y are independent random variables

ISBN: 9780321629111 32

## Solution for problem 4.60 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 4.60

Suppose that X and Y are independent random variables having the joint probability distribution x f(x,y) 24 1 0.10 0.15 y 3 0.20 0.30 5 0.10 0.15 Find (a) E(2X 3Y ); (b) E(XY).

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Statistics​ ​ 41 Week​ ​3 Chapter​ ​3​ ​Part​ ​2 ➪Coefficient​ ​of​ ​Variation​ ​(CV):​ ​measures​ ​the​ ​spread​ ​of​ ​the​ ​data​ ​relative​ ​to​ ​the​ ​mean​ ​of​ ​the​ ​data; measured​ ​as​ a​ ​ ​percentage Standard deviation ÷ mean = CV (multiply​ a ​ nswer​ b​ y​ ​100​ ​​ ake​ ​it​ ​ ercentage) ● A​ ​smaller​ ​CV​ ​indicated​ ​a​ ​higher​ ​consistency,​...

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Suppose that X and Y are independent random variables

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