Question: Suppose that X is a Poisson random variable. We know that P(X = 1) = P(X = 2). (a) Whats the mean of X? (b)

Suppose that X is a Poisson random variable. We know that P(X = 1) = P(X = 2).

(a) Whats the mean of X?

(b) Whats the expectation of X^2?

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