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一道英文数学题A sample space consists only of 2 events,A and B.Which of the following would we use to describe A and B if they cannot occur at the same time?a.Mutually exclusiveb.P (A and B)=0c.Collectively exhaustived.All of the above
题目详情
一道英文数学题
A sample space consists only of 2 events,A and B.Which of the following would we use to describe A and B if they cannot occur at the same time?
a.Mutually exclusive
b.P (A and B)=0
c.Collectively exhaustive
d.All of the above
A sample space consists only of 2 events,A and B.Which of the following would we use to describe A and B if they cannot occur at the same time?
a.Mutually exclusive
b.P (A and B)=0
c.Collectively exhaustive
d.All of the above
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答案和解析
答案是D
这个题目说的是两事件互斥,因此选择第四个.
这个题目说的是两事件互斥,因此选择第四个.
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