問題詳情

27. (5%) Suppose Xi independently follows a Poisson distribution with mean 3 fori=1~1000. What is the approximate distribution of the sample mean

?
(A) Exponential distribution
(B) t-distribution
(C) Gamma distribution
(D) Normal distribution
(E) x2 distribution

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增