P(B)>0,P(A B) =1,则必有:

恬恬2019-12-17  9

问题 P(B)>0,P(A B) =1,则必有:

选项 A.P(A+B) = P(A)C. P(A) = P(B)P(AB)=P(A)

答案A

解析[img]/upload/tiku/212/2835708_1.jpg[/img]
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