Question: Suppose that a random variable X can have each of the seven values 3, 2, 1, 0, 1, 2, 3 with equal probability. Determine the

Suppose that a random variable X can have each of the seven values −3, −2, −1, 0, 1, 2, 3 with equal probability. Determine the p.f. of Y = X2 − X.

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