14. Let X be a discrete random variable with the following PMF 1 for k = -2 4 1 for k = -1 Px (k) 1 for k = 0 8 1 for k = 1 4 1 for k = 2 Define a new random variable Y as y = (x+ 1)² a. Find the range of Y b. Find the PMF of Y

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