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Problem 7 Let X, Y have the joint, pdf 7 (a) (b) (c) Find cov(X, Y). Find a constant o such that Cov(X +

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Problem 7 Let X, Y have the joint, pdf 7 (a) (b) (c) Find cov(X, Y). Find a constant o such that Cov(X + Y, X + 0. Let S T VIV. Find the joint pdf for (S, T) and use it to compute Cov(S, T).

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