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1. From a group of three republicans, two democrats, and one independent, a committee of two people is to be randomly selected. Let X denote the number of Republicans and Y the number of Democrats on the committee. The table below contains the joint probabilities for X and Y. Y (A) Find the marginal pif of X. (B) What is the probability that the independent candidate is selected to be on the commit- tee? (C) Find the conditional pmf of X given Y = 0. (D) Are X and Y independent? Justify your