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If P(A)=7/(13),\ P(B)=9/(13)a n d\ P(Ann...

If `P(A)=7/(13),\ P(B)=9/(13)a n d\ P(AnnB)=4/(13),`find\ `P(A//B)dot`

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`P(A)=frac{7}{13} `
`P(B)=frac{9}{13} `
`P(A cap B)=frac{4}{13}`
`P(frac{A}{B})=frac{P(A cap B)}{P(B)} `
`Rightarrow P(frac{A}{B})=frac{frac{4}{13}}{frac{9}{13}}=frac{4}{9}`
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