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31 December, 15:14

Find P (A ∩ B′) when P (A ∪ B) = 0.8, P (A) = 0.5 and P (B) = 0.4

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  1. 31 December, 15:20
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    0.4

    Step-by-step explanation:

    P (A∩B) = P (A) + P (B) - P (A∪B) = 0.5+0.4-0.8=0.1

    P (A∩B') = P (A) - P (A∩B) = 0.5-0.1 = 0.4
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