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4 April, 13:10

If p (a) =.40, p (b) =.30, and p (a and

b. =.15, then p (a/b) is

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  1. 4 April, 13:33
    0
    Given info

    P (A) = 0.40

    P (B) = 0.30

    P (A and B) = 0.15

    What we want to find: P (A|B)

    Use the conditional probability formula

    P (A|B) = P (A and B) / P (B)

    P (A|B) = 0.15/0.30

    P (A|B) = 0.50

    Answer: 0.50
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