Let A and B be events in a sample space with P .A \ B/ 6D 0. Prove that P .AjB/ D P
Chapter 32, Problem 32.9(choose chapter or problem)
Let A and B be events in a sample space with P .A \ B/ 6D 0. Prove that P .AjB/ D P .BjA/ if and only if P .A/ D P .B/.
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