Question: Random variables X and Y have joint distribution P(X = i, Y = j) = c(i + j), for i = 0, 1; j =

Random variables X and Y have joint distribution P(X = i, Y = j) = c(i + j), for i = 0, 1; j = 1, 2, 3 for some constant c.
(a) Find c.
(b) Find the marginal distributions of X and Y .
(c) Find Cov(X, Y).

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