Question: This is a probability question from Math 370 Let X be a discrete random variable following a geometric distribution with p = 0.3. Let Y

This is a probability question from Math 370

Let X be a discrete random variable following a geometric distribution with p = 0.3. Let Y be another discrete random variable defined by Y = min (0, X -4). In other words, Y =0 if X $4, and Y = X-4 if X > 4. Find Var[Y]

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