
機率
Authored by dmz kuo
Mathematics
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將1、2、3三個數字任意排成三位數,則排成的三位數為偶數的機率為多少?
1/4
1/3
1/2
2/3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設生男生女的機率相同,若一對夫妻連生三胎,則三胎的性別都相同的機率是多少?
1/2
1/4
1/8
1/16
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有關機率的敘述,下列敘述何者正確?
統一發票「中獎」與「不中獎」的機率各占 1/2
投擲一枚圖釘,針尖朝上、朝下的機率都一樣
投擲一顆均勻的骰子,每投一次出現偶數點數的機率是 1/2
氣象報告今天降雨機率50%,意思是今天有12小時在下雨
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如右圖,甲地至乙地有三條路徑,昌勳從甲地至乙地,慧喬從乙地至甲地,若選擇A、B、C路徑機率皆相同,兩人同時出發,則在B路線相遇的機率是多少?
1/3
1/6
1/9
1/12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若有三隊實力相當的棒球隊A、B、C,前二場比賽結果,A對B為4:1,A隊獲勝;B對C為3:2,B隊獲勝,則第三場A對C,A隊獲勝機率為何?(不考慮平手的情形)
大於1/2
等於1/2
小於1/2
不一定
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
投擲一顆均勻的骰子,出現點數為質數的機率為
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
志明和龍女兩人各擲一顆均勻的骰子一次,則龍女擲出的點數大於志明的機率為
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