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If A and B are any two events such that ...

If A and B are any two events such that : `P(A) + P(B) – P(A and `B) = P(A)`, then

A

`P(B/A)=1`

B

`P(A/B)=1`

C

`P(B/A)=0`

D

`P(A/B)=0`

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