機率

機率

9th Grade

10 Qs

quiz-placeholder

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機率

機率

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

dmz kuo

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

Media Image

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ABC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ABC,前二場比賽結果,AB為4:1,A隊獲勝;BC為3:2,B隊獲勝,則第三場ACA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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