從以=8且a= 64的常態分配母艘中，隨機抽出樣本數N=1024之樣本。試問，該樣本之樣本均值落在母《均值左右各一個標準誤之間的機率會是多少？(A)0.3830。(B)0.6826。(C)0.8

問題詳情

3.從以=8且a= 64的常態分配母艘中，隨機抽出樣本數N=1024之樣本。試問，該樣本之樣本均值落在母《均值左右各一個標準誤之間的機率會是多少？
(A)0.3830。
(B)0.6826。
(C)0.8664
(D)0.9544

參考答案

答案：B
難度：簡單0.866667
統計：A(1),B(13),C(0),D(0),E(0)

內容推薦

75 (A) doubt(B) sorrow(C) delight(D)peace
A: Are you running for office?B:______________________(A)Yes, I plan to join the marathon.(B)Yes
(A)which (B)where (C)what (D)when
A: Do you think I should buy this car?B:______________________(A)You shouldn’t have bought it.(B
The restaurant is_______good______bad. The food is delicious, but it is very expensive.(A)not…bu
A: This joke my friends share on LINE really cracks me up.B:______________________(A) Oh really?
69 A: Have you made up your mind yet?B:______________________A: Well, call me when you’ve decided.(A
73 (A)appealed to(B)clung to(C)hit upon(D)frowned on
The sign reads “Dead end,”______________________means we cannot go through this street.We need t
I do not know how to operate this DVD player. Where are the______________________?(A) habits(B)

內容推薦