Suppose that X and Y are independent random variables whose variances exist and such that E(X) =

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Suppose that X and Y are independent random variables whose variances exist and such that E(X) = E(Y). Show that
E[(X − Y)2]= Var(X) + Var(Y).

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Probability And Statistics

ISBN: 9780321500465

4th Edition

Authors: Morris H. DeGroot, Mark J. Schervish

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Question Posted: Nov 25, 2015 03:31 AM

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Suppose that X and Y are independent random variables whose variances exist and such that E(X) =

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Since EX EY EX Y 0 Therefore ...View the full answer

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