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  3. let (x_1, ..., x_k) be a multinomial distribution

Let (X_1, ..., X_k) be a multinomial distribution with probabilities p_1, ..., p_k in n independent...

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Basic Math

Let (X_1, ..., X_k) be a multinomial distribution withprobabilities p_1, ..., p_k in n independent trials. CalculateE(X_i), and COV(X_i, X_j) for 1 <= i, j <= k.

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