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Please explain the theory first and then the answer, thanks ! Suppose X and Y are two random variables with E (X) = 1.50.5 (Y)

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Please explain the theory first and then the answer, thanks !

image text in transcribed

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Suppose X and Y are two random variables with E (X) = 1.50.5 (Y) = 0.55, E(XY) = 0.80, Var(X) = 0.25, and Var(Y) = 02475. a. What is the value of Cov(X, Y)? b. What is the value of Corr(X, Y)? c. Would you say there is a strong or a weak relationship between X and Y? (1. What is the value of E (2X + BY)

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