Question

Asked Oct 1, 2019

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Suppose that Pr[A|B]=4/7, Pr[B|A]=8/13, and Pr[A′]=8/21. Find Pr[A∩B′].

Step 1

To calculate the required probability (using the data on conditional probability)

Step 2

P(X|Y) represents the conditional probability that X occurs given Y has occured.

Step 3

We have used the fact that P(A) =1-P(A') = 1-8/21...

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