一道英文数学题A sample space consists only of 2 events,A and B.Whic
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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 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
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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