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Let P(A)=7/(13), P(B)=9/(13) and P(AnnB)...

Let `P(A)=7/(13),` `P(B)=9/(13)` and `P(AnnB)=4/(13)` . Then `P( A //B)=` `5//9` b. `4//9` c. `4//13` d. `6//13`

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