Question: Consider the bivariate PMF: PXY y = di y = d2 y = d3 = -d2 1/4 1/8 0 r = d2 0 1/2 1/8

Consider the bivariate PMF: PXY y = di y = d2

Consider the bivariate PMF: PXY y = di y = d2 y = d3 = -d2 1/4 1/8 0 r = d2 0 1/2 1/8 (A) Find the marginal PMF px (@) and py(y), being sure to state their sample spaces. (B) Find the expected values E[X ] and E[Y]. (C) Find the standard deviations ox and oy. (D) Find the covariance cov(X, Y). (E) Find the correlation coefficient and interpret this in terms of the relation between X and Y. (F) Find the variance Var [3X - 2Y]

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