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31. Probability
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Q55 of 249 Page 31

Mark the correct alternative in each of the following:

If A and B are two events such that P(A/B) = p, P(A) = p, P(B) = 1/3 and then p =


P = p , P(A) = p , P(B) = , P(A∪B) = → (Given)


Now,



→ From (Given)


P(A∩B) = → (1)


Now, according to the addition theorem of probability:


P(A⋃B) = P(A) + P(B) – P(A⋂B)






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Questions · 249
31. Probability
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