Question: Prove that the expected value of a Discrete Uniform random variable on the set {1,2,...,JV} is E(X) = (N + l) / 2. Also prove

Prove that the expected value of a Discrete Uniform random variable on the set {1,2,...,JV} is E(X) = (N + l) / 2. Also prove that the variance is Var(X) = (N2 - 1) / 12.

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