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A and b are two events such that p(a)=0.3 and p(AUB)=0.8 if a and b are two independent events then find p(b)
Hi, Given , p(A U B) = 0.8 p(A) =0.3 & A and B are independent events , so p(AB) = P(A)p(B) p(A U B) = p(A) + p(B) – p(AB) 0.8 = p(A) + p(B) – p(A) p(B) 0.8-0.3 = p(B) [1- 0.3]from the above , p(B) = 0.714285714 appx. p(B) = 0.714
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