問題詳情

9.If we calculate sample mean from the population in question 8, with sample size equal to 2. Let

and

denote the theoretical density and cumulative distributions of the sanple
mean, respectively. Which of the following statement is the most correct one? 


(A)


(B)


(C)



(D)


(E)

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增