概率公式P(A+B)=P(A)+P(B)-P(AB)貌似不适用于独立事件吧?但是书上说对于任何事件都成立啊!举个例子,我下午去打球的概率是0.9,为事件a;小明下午去买东西的概率是0.5为事件b;那么a和b至少发生
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 21:05:38
![概率公式P(A+B)=P(A)+P(B)-P(AB)貌似不适用于独立事件吧?但是书上说对于任何事件都成立啊!举个例子,我下午去打球的概率是0.9,为事件a;小明下午去买东西的概率是0.5为事件b;那么a和b至少发生](/uploads/image/z/5443902-54-2.jpg?t=%E6%A6%82%E7%8E%87%E5%85%AC%E5%BC%8FP%28A%2BB%29%3DP%28A%29%2BP%28B%29-P%28AB%29%E8%B2%8C%E4%BC%BC%E4%B8%8D%E9%80%82%E7%94%A8%E4%BA%8E%E7%8B%AC%E7%AB%8B%E4%BA%8B%E4%BB%B6%E5%90%A7%3F%E4%BD%86%E6%98%AF%E4%B9%A6%E4%B8%8A%E8%AF%B4%E5%AF%B9%E4%BA%8E%E4%BB%BB%E4%BD%95%E4%BA%8B%E4%BB%B6%E9%83%BD%E6%88%90%E7%AB%8B%E5%95%8A%21%E4%B8%BE%E4%B8%AA%E4%BE%8B%E5%AD%90%2C%E6%88%91%E4%B8%8B%E5%8D%88%E5%8E%BB%E6%89%93%E7%90%83%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF0.9%2C%E4%B8%BA%E4%BA%8B%E4%BB%B6a%EF%BC%9B%E5%B0%8F%E6%98%8E%E4%B8%8B%E5%8D%88%E5%8E%BB%E4%B9%B0%E4%B8%9C%E8%A5%BF%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF0.5%E4%B8%BA%E4%BA%8B%E4%BB%B6b%EF%BC%9B%E9%82%A3%E4%B9%88a%E5%92%8Cb%E8%87%B3%E5%B0%91%E5%8F%91%E7%94%9F)
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