Let X be a discrete r.v. with support n, n + 1,..., 0,...,n 1, n for some positive
Chapter 4, Problem 12(choose chapter or problem)
Let X be a discrete r.v. with support n, n + 1,..., 0,...,n 1, n for some positive integer n. Suppose that the PMF of X satisfies the symmetry property P(X = k) = P(X = k) for all integers k. Find E (X).
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