The General Social Survey asked a sample of adults how many siblings (brothers and sisters) they had (X) and also how many children they had (Y). We show results for those who had no more than 4 children and no more than 4 siblings. Assume that the joint probability mass function is given in the following contingency table. 2 3 4 х 0.01 0.03 0.01 0.02 0.01 0.08 0.09 0.05 0.03 0.01 0.09 0.05 0.07 0.04 0.02 0.06 0.04 0.07 0.04 0.02 4 0.04 0.03 0.04 0.03 0.02 Find the marginal probability mass function of X. a. b. Find the marginal probability mass function of Y. Are X and Y independent? Explain. Find Hx and µy. d. C. Find o, and Oy- e. Find Cov(X, Y). f. Find p(X, Y). g.

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