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【題組】46. 所有打網球的人為左撇子比例的95%信賴區間為何?(A) (0.136 , 0.164 ) (B) ( 0.138 , 0.162) (C) (0.114 , 0.186 ) (D) (
問題詳情
【題組】46. 所有打網球的人為左撇子比例的95%信賴區間為何?
(A) (0.136 , 0.164 )
(B) ( 0.138 , 0.162)
(C) (0.114 , 0.186 )
(D) ( 0.120 , 0.180 )
參考答案
答案:A
難度:
計算中
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上一篇 :
▲ 閱讀下文,回答第 45-46 題某一運動週刊調查了 2480 名打網球的人,其中有 372 個人說他們是左撇子。【註:設 Z 為標準常態隨機變數,P ( Z > 1.645 ) =0.05,P (
下一篇 :
▲閱讀下文,回答第 47-48 題某學者為了了解家庭年收入(x)和年儲蓄(y)(單位:萬元)之間的關係,自某區隨機抽出 4 戶家庭做調查,得到下列對應的數值(x,y)=(24 , 0)、(29 , 0
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