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QUESTION
Q
If events A and B are independent and P(A) = 0.15, P(A U B) = 0.45, then P(B) = ?
Solution
P(A U B) = P(A) + P(B) − P(A ∩ B)P(A U B) = P(A) + P(B) − P(A).P(B) (since independent events)0.45 =...
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Solution
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P(A U B) = P(A) + P(B) − P(A ∩ B)If A and B are two independent events then,P(A ∩ B) = P(A).P(B)
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