GGJJ帮帮忙 1.已知P(A)=0.4 P(B)=0.3,P(AUB)=0.6,求P(AB)2.甲乙两人打靶,甲打中靶的概率为0.9,乙打中靶的概率为0.6,问:(1)两个都打中靶的概率为多少?(2)至少有一个打中靶的概率为多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 21:10:20
![GGJJ帮帮忙 1.已知P(A)=0.4 P(B)=0.3,P(AUB)=0.6,求P(AB)2.甲乙两人打靶,甲打中靶的概率为0.9,乙打中靶的概率为0.6,问:(1)两个都打中靶的概率为多少?(2)至少有一个打中靶的概率为多少?](/uploads/image/z/10378594-10-4.jpg?t=GGJJ%E5%B8%AE%E5%B8%AE%E5%BF%99+1.%E5%B7%B2%E7%9F%A5P%28A%29%3D0.4+P%EF%BC%88B%EF%BC%89%3D0.3%2CP%28AUB%29%3D0.6%2C%E6%B1%82P%28AB%292.%E7%94%B2%E4%B9%99%E4%B8%A4%E4%BA%BA%E6%89%93%E9%9D%B6%2C%E7%94%B2%E6%89%93%E4%B8%AD%E9%9D%B6%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA0.9%2C%E4%B9%99%E6%89%93%E4%B8%AD%E9%9D%B6%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA0.6%2C%E9%97%AE%EF%BC%9A%EF%BC%881%EF%BC%89%E4%B8%A4%E4%B8%AA%E9%83%BD%E6%89%93%E4%B8%AD%E9%9D%B6%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%EF%BC%882%EF%BC%89%E8%87%B3%E5%B0%91%E6%9C%89%E4%B8%80%E4%B8%AA%E6%89%93%E4%B8%AD%E9%9D%B6%E7%9A%84%E6%A6%82%E7%8E%87%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
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