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條件機率3

Authored by 俊谷 葉

Mathematics

11th Grade

Used 9+ times

條件機率3
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若A、B為獨立事件,則下列何者正確?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若A、B為互斥事件,則 P(AB)=P\left(A\cap B\right)=  

0

0.5

1

不一定

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若A、B為獨立事件,且P(A)=0.5,
P(B)=0.3,則 P(AB)=P\left(A\cup B\right)= 

0.8

0.7

0.65

0..55

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若A、B為互斥事件,且P(A)=0.5,
P(B)=0.3,則 P(AB)=P\left(A\cup B\right)= 

0.8

0.7

0.65

0..55

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小谷參加闖關活動,共有三關,

前一關通過才能闖下一關,

設每關通過的機率分別為0.6、0.5、0.4。

試問小谷通過前二關但第三關失敗的機率?

0.6×0.5×0.40.6\times0.5\times0.4

0.4×0.5×0.40.4\times0.5\times0.4

0.6×0.5×0.60.6\times0.5\times0.6

0.6×0.50.6\times0.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

甲、乙兩人打靶,命中率分別為0.8、0.6,且兩人命中靶面的事件為獨立事件,

今兩人各射一發,則靶面恰中一發的機率?

0.32

0.44

0.48

0.56

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

甲、乙兩人打靶,命中率分別為0.8、0.6,且兩人命中靶面的事件為獨立事件,

今兩人各射一發,則兩人都打中的機率?

0.32

0.44

0.48

0.08

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