Let A and B be events with P(A)=1/2,P(B)=1/3 and P(A∩B)=1/4. Find P(B/A).

P(B/A)=(P(A∩B))/(P(A))=(1/4)/(1/2)=1/2

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P(B/A)=(P(A∩B))/(P(A))=(1/4)/(1/2)=1/2

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