Question: 9.31 If X is a binomial random variable, show that (a) P = X/n is an unbiased estimator of p; (b) P =

9.31 If X is a binomial random variable, show that

(a)  P = X/n is an unbiased estimator of p;

(b) P

 = X +

√

n/2 n+

√

n is a biased estimator of p.

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