Please do by hand. Thanks in advance. 1. Let X and Y be random variables with...

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Question

Please do by hand. Thanks in advance.

1. Let X and Y be random variables with Var(X) = 4, Var(Y) = 9, and Var(X Y) = 10. What is Cov(X, Y)?

math Statistics-And-Probability

Answer 1

Answer #1

1 1. Let X and Y be randono variables with var(x) = 4; varcy) = 9 and Varcx+y) = 10 Var(x+y) = Var(x) + Var (9) 42 CoV (X,Y)

Answer 2

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