
概率初步1
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
soilam chio
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7 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
下列事件中,屬於隨機事件的是( )
把實心鐵球放入水中,鐵球會沉入水底
測量三角形的三個內角,其和等於360°
隨機抽取九年級(1)班10名學生測量視力,該班的小明同學參加視力測量
對九年級(1)班的每一名學生測量視力,該班的小明同學參加視力測量
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
下列事件中,屬於隨機事件的是( )
三角形的內角和是180°
負數大於正數
拋擲一枚質地均勻的骰子,向上一面的數字是6
明天太陽從西方升起
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
下列事件中是不可能事件的是( )
拋一枚均勻硬幣,落地後正面朝上
今天杭州市最高氣溫為108℃
任意選擇某一電視頻道,它正在播放體育節目
一個三角形三個內角的和等於180°
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
不透明的袋子中裝有3個紅球,2個白球,這些球除顏色外無其他差別,隨機從袋子中摸出一個球,則摸出紅球的可能性大小為( )
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
從一副標準的52張撲克牌中隨機抽取一張,抽到紅心的可能性大小為( )
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
在一次投擲中,擲出一枚均勻的硬幣,出現反面的事件屬於( )
不可能事件
必然事件
隨機事件
確定事件
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
一個袋子中有5個藍球和3個綠球,隨機摸出一個球,摸出綠球的可能性大小為( )
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