For any events A and B with P(B)>0, show that P(A|B) + P(A'|B) = 1. How...

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Question

For any events A and B with P(B)>0, show that P(A|B) + P(A'|B) = 1. How do you draw a venn diagram to solve/illustrate this problem?

math Statistics-And-Probability

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