Q29 of 249 Page 31

Mark the correct alternative in each of the following:

Associated to a random experiment two events A and B are such that P(B) = 3/5, P(A/B) = 1/2 and P(A ∪B) = 4/5. The value of P(A) is


According to the addition theorem of probability for two events A and B we have,


P(A⋃B) = P(A) + P(B) – P(A⋂B)


P(A) + P(B) – P(A⋂B) = → (1)


Now,



→ (Given)


→ (Given)



Now using Equation (1),







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