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28 July, 12:37

Use the given information to find the indicated probability.

P (A ∪ B) =.7, P (B) =.5, P (A ∩ B) =.3.

Find P (A).

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  1. 28 July, 16:13
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    Hello:

    P (A ∪ B) = P (A) + P (B) - P (A ∩ B)

    0.7 = P (A) + 0.5 - 0.3

    P (A) = 0.7-0.5+0.3

    P (A) = 0.5
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