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16 June, 15:24

P (A∩B) = 1150, P (A|B) = 1120, P (B) = ?

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  1. 16 June, 17:53
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    Conditional probability can be described using the following rule:

    P (A | B) = P (A ∩ B) / P (B)

    Now for the givens we have:

    P (A∩B) = 1150 and

    P (A|B) = 1120

    Substituting with these givens in the above mentioned equations, we can get P (B) as follows:

    1120 = 1150 / P (B)

    P (B) = 1150 / 1120 = 1.02678
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