
體育班高三下第一次數學段考題庫(隨機變數、二項分布)
Authored by 柏豪 蘇
Mathematics
9th - 12th Grade
Used 1+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對同一籃框連續投籃5次,並令隨機變數X表示投進的次數,則X可能的取值?
0,1,2,3,4,5
0,1,2,3,4
1,2,3,4,5
0,5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從大小相同、編號1, 2, 3, 4各一張的卡片中任取2張,並令隨機變數X表示被取出的卡片編號之和,則X可能的取值?
0,1,2,3,4,5,6,7
2,4,6,8
3,4,5,6,7
2,3,4,5,6,7,8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對同一個靶面連續射擊4發,隨機變數X表示命中靶面的次數,則X可能的取值?
0,1,2,3,4
0,1,2,3
0,1,2
0,1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從裝有5顆白球及3顆紅球的袋中任取出4顆球,隨機變數X表示被取出的紅球數,則X可能的取值?
0,1,2,3,4,5
0,1,2,3,4
0,1,2,3
0,1,2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
袋中裝有大小相同的紅球2顆、白球4顆。從袋中任取2顆球,並令隨機變數X表示取得紅球的顆數。描述X=0所表示的事件?
兩顆白球
一紅一白
兩顆紅球
無法確定
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從52張撲克牌中隨機抽出5張牌。令隨機變數X表示抽到點數「K」的張數。描述X=1所表示的事件?
1張非K和4張K
1張K和4張非K
至少1張K
最多1張K
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣3次,並令隨機變數X表示正面出現的次數。求機率P(X=1) = ?
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