
機率與立方體
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
曾盈輯 曾盈輯
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下有甲、乙、丙、丁四組資料
甲:13,15,11,12,15,11,15
乙:6,9,8,7,9,9,8,5,4
丙:5,4,5,7,1,7,8,7,4
丁:17,11,10,9,5,4,4,3
判斷哪一組資料的全距最小?
甲
乙
丙
丁
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左圖為甲、乙兩班某次數學成績的盒狀圖。若甲、乙兩班數學成績的四分位距分別為 a、b;最大數(值)分別為 c、d,則 a、b、c、d 的大小關係,下列何者正確?
(A) a<b 且 c<d
(B) a<b 且 c>d
(C) a>b 且 c<d
(D) a>b 且 c>d
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一籤筒內有 21 支籤,號碼分別是 1~21號,且每支籤被抽出的機會相等。若從籤筒中任意抽出一支籤,則下列有關機率的敘述何者錯誤?
(A)抽中 2 的倍數的機率為 1/2
(B)抽中 3 的倍數的機率為1/3
(C)抽中 6 的倍數的機率為1/7
(D)抽中 7 的倍數的機率為1/7
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
一袋子中有白球 2 個、紅球 3 個,且每一個球被取出的機率相等。今逐次自袋中任取一球,取後放回。已知前兩次均取出白球,若第三次取出白球的機率為 p,取出紅球的機率為 q,則 p、q 的大小關係為何?
(A) p<q
(B) p=q
(C) p>q
(D) p、q 無法比較
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
今有一粒均勻骰子,已知守守第一次丟出 1 點,第二次也丟出 1 點。若第三次丟出 1 點、3 點、5 點的機率分別為 a、 b、c,則 a、b、c 的大小關係為何?
(A) a>b>c
(B) a<b=c
(C) a<b<c
(D) a=b=c
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一袋子中有 4 顆球,分別標記號碼 1、2、3、4 。已知每顆球被取出的機會相同,若第一次從袋中取出一球後放回,第二次從袋中再取出一球,則第二次取出球的號碼比第一次大的機率為何?
(A) 1/2
(B) 3/4
(C) 3/8
(D) 7/12
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
某袋中有 1 號球 8 顆、 2 號球 7 顆、3號球 6 顆。若自袋中抽取一球,且每球被抽中的機會相等,則抽中 3 號球的機率為何?
(A) 1/3
(B) 1/7
(C) 2/7
(D) 1/21
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