特别急的概率题(详细解题过程)1.若P(A)=1/3, P(A|B)=2/3 P(B|A)=3/5时,则P(B)=( )、2.设(X,Y)在区域G{(X,Y)|0
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![特别急的概率题(详细解题过程)1.若P(A)=1/3, P(A|B)=2/3 P(B|A)=3/5时,则P(B)=( )、2.设(X,Y)在区域G{(X,Y)|0](/uploads/image/z/3004617-57-7.jpg?t=%E7%89%B9%E5%88%AB%E6%80%A5%E7%9A%84%E6%A6%82%E7%8E%87%E9%A2%98%EF%BC%88%E8%AF%A6%E7%BB%86%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B%EF%BC%891.%E8%8B%A5P%28A%29%3D1%2F3%2C+P%28A%7CB%29%3D2%2F3++P%28B%7CA%29%3D3%2F5%E6%97%B6%2C%E5%88%99P%28B%29%3D%28+%29%E3%80%812.%E8%AE%BE%EF%BC%88X%2CY%EF%BC%89%E5%9C%A8%E5%8C%BA%E5%9F%9FG%7B%EF%BC%88X%2CY%EF%BC%89%7C0)
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