Question: Suppose that X1, . . . , Xn form n Bernoulli trials for which the parameter p is unknown (0 p 1). Show

Suppose that X1, . . . , Xn form n Bernoulli trials for which the parameter p is unknown (0 ≤ p ≤ 1). Show that the expectation of every function δ(X1, . . . , Xn) is a polynomial in p whose degree does not exceed n.

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