If `P(A)7/(13),P(B)=9/(13)` and `P(AnnB)=4/(13),` find `P(A/B)dot`

Explanation

`P(A)=frac{7}{13} `

`P(B)=frac{9}{13} `

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

Then ,

`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}`