Suppose that X1, , Xn form a random sample from the Bernoulli distribution with unknown parameter p Show that the variance of every unbiased estimator of (1 p)2 must be at least 4p(1 p)3 n ...

If mp 1 p 2 then mp 21 p and mp 2 41 p 2 ...

Suppose that X1, . . . , Xn form a random sample from the Bernoulli distribution with

Question:

Suppose that X1, . . . , Xn form a random sample from the Bernoulli with unknown parameter p. Show that the variance of every unbiased estimator of (1− p)2 must be at least 4p(1− p)3/n.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...