# Question

For the discrete random variables whose joint PMF is described by the table in Exercise 5.14, compute the following quantities:

(a) E [XY];

(b) Cov (X, Y);

(c) ρ X,Y;

(d) E [Y| X].

(a) E [XY];

(b) Cov (X, Y);

(c) ρ X,Y;

(d) E [Y| X].

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