Question: The random variables X and Y have the joint density: fX,Y(x,y)={x+y 0

The random variables X and Y have the joint density:

fX,Y(x,y)={x+y 0

0 otherwise

For each of the following, please provide answers as fractions, or find the answer to three decimal places: (a) Var(X) (b) Var (Y) (c) Cov(X,Y) (d) (X,Y)

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