If P(A) = 0.8, P(B) = 0.5, P(B|A) = 0.4, then find P(A ∪ B).

1.	If P(A) = 0.8, P(B) = 0.5, P(B\|A) = 0.4, then find P(A ∪ B).
Answer» P(A ∩B) = P(A) P(B\|A) = 0.32 P(A ∪ B) = P(A) + P(B) – P(A ∩ B) = 0.98

Answer»

P(A ∩B) = P(A) P(B|A) = 0.32

P(A ∪ B) = P(A) + P(B) – P(A ∩ B) = 0.98

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If P(A) = 0.8, P(B) = 0.5, P(B|A) = 0.4, then find P(A ∪ B).

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