Question: 7. Given the joint density function for (X, Y) as follows 0 - Y> -: 2 20 b. Find E(X + Y) and E(XY) c.

7. Given the joint density function for (X, Y) as follows

0 - Y> -: 2 20 b. Find E(X + Y) and

7. Given the joint density function for (X, Y) as follows 0 - Y> -: 2 20 b. Find E(X + Y) and E(XY) c. Find Var(X), Var(Y ) and Cov( X, Y) d. Find Var ( X - Y) e. Compute the correlation of X and Y, PxY

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