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搜题/搜资源
【判断题】【消耗次数:1】
对任意事件A与B,则有P(A∪B)=P(A)+P(B).
①
正确
②
错误
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【判断题】
对任意事件A和B,必有P(AB)=P(A)P(B)
①
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【判断题】
对任意事件A和B,必有P(AB)=P(A)P(B).
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设A、B、C为三事件,若满足:P(AB)=P(A)P(B),P(AC)=P(A)P(C),P(BC)=P(B)P(C),则三事件A、B、C 必然相互独立。
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随机题目
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