Question: Let the random variable X Bin(n, ). The sample proportion is denoted by p = X/n. Show that ( n/n 1 )p(1 p)is an unbiased

Let the random variable X Bin(n, ). The sample proportion is denoted by p = X/n. Show that ( n/n 1 )p(1 p)is an unbiased estimator for (1 ) when n 2.

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