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15 November, 22:00

P (A ∪ B) =.8, P (B) =.7, P (A ∩ B) =.6. Find P (A).

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  1. 15 November, 22:06
    0
    Given:

    P (A ∪ B) = 0.8,

    P (B) = 0.7,

    P (A ∩ B) = 0.6.

    P (A) = ?

    Now, the formula is:

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

    0.8 = P (A) + 0.7 - 0.6

    Or P (A) = 0.8 + 0.6 - 0.7

    P (A) = 0.7 Ans.
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