7. Suppose that XXn form a random sample from an exponential distribution for which the value of the parameter B is unknown(B > 0) and must be estimated by using the squared error loss function. Let 8 be the estimator such that 8(XXn)=3 for all possible values of XXn. a.Determine the value of the M.S.E. R(B,8) for B> 0. b.Explain why the estimator 8 must be admissible.
8. Suppose that a random sample of n observations is taken from a Poisson distribution for which the value of the mean 0 is unknown(8 > 0), and the value of