P(B)>0,P(A B) =1,则必有:A.P(A+B) = P(A)

练习题库2022-08-02  17

问题 P(B)>0,P(A B) =1,则必有:A.P(A+B) = P(A)C. P(A) = P(B)P(AB)=P(A)

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

答案 A

解析
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