2. Let X and Y are two discrete random variables with joint probability function as follows: Values of Y : y 1 Values of X : x -1 0.2 0.1 0.05 0.05 0.2 0.3 3 0.02 0.04 0.04 a. Find the marginal probability function of X and Y. b. Find the conditional probability function of X for given Y 2. c. Find the conditional probability function of Y for given X 0.

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