如果A 和B 是两个事件,证明:P(A \x05\x05\x05\x05\x05∩ B' )= P(A) - P(A \x05\x05\x05\x05\x05∩ B)P(A\x05\x05\x05\x05\x05∪ B) = 1- P(A' \x05\x05\x05\x05\x05∩ B' )上面中间那一大段空格可以忽略掉......
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![如果A 和B 是两个事件,证明:P(A \x05\x05\x05\x05\x05∩ B' )= P(A) - P(A \x05\x05\x05\x05\x05∩ B)P(A\x05\x05\x05\x05\x05∪ B) = 1- P(A' \x05\x05\x05\x05\x05∩ B' )上面中间那一大段空格可以忽略掉......](/uploads/image/z/1789288-16-8.jpg?t=%E5%A6%82%E6%9E%9CA+%E5%92%8CB+%E6%98%AF%E4%B8%A4%E4%B8%AA%E4%BA%8B%E4%BB%B6%2C%E8%AF%81%E6%98%8E%EF%BC%9AP%28A+%5Cx05%5Cx05%5Cx05%5Cx05%5Cx05%E2%88%A9+B%26%2339%3B+%29%3D+P%28A%29+-+P%28A+%5Cx05%5Cx05%5Cx05%5Cx05%5Cx05%E2%88%A9+B%29P%28A%5Cx05%5Cx05%5Cx05%5Cx05%5Cx05%E2%88%AA+B%29+%3D+1-+P%28A%26%2339%3B+%5Cx05%5Cx05%5Cx05%5Cx05%5Cx05%E2%88%A9+B%26%2339%3B+%29%E4%B8%8A%E9%9D%A2%E4%B8%AD%E9%97%B4%E9%82%A3%E4%B8%80%E5%A4%A7%E6%AE%B5%E7%A9%BA%E6%A0%BC%E5%8F%AF%E4%BB%A5%E5%BF%BD%E7%95%A5%E6%8E%89......)
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