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If A and B are independent event at P(A) = 0.3, P(A ∪ B) = 0.8 then P(B) = ... (a) 5/7 (b) 3/7 (c) 3/5 (d) 4/5

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If A and B are independent event at P(A) = 0.3, P(A ∪ B) = 0.8 then P(B) = ...

(a) 5/7

(b) 3/7

(c) 3/5

(d) 4/5

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1 Answer

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by (33.2k points)

Answer is (a) 5/7

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