Question: Let X be a discrete random variable with P X (k) = 1/5 for k = 1, 0, 1, 2, 3. Let Y = 2|X|.

Let X be a discrete random variable with PX(k) = 1/5 for k = −1, 0, 1, 2, 3. Let Y = 2|X|. Find the range and PMF of Y.

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