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QUESTION
Let X and Y are two random variables. The expected value of X, E(X), is 2.60, the expected value of Y, (E(Y), is 2.35, and the expected value of X*Y,...
Let X and Y are two random variables. The expected value of X, E(X), is 2.60, the expected value of Y, (E(Y), is 2.35, and the expected value of X*Y, E(XY), is 7.06. The covariance between X,Y , Cov(X,Y) is ? (2 d.p.)
Select one:
0.870.9513.171.161.95