Q31 of 249 Page 31

Mark the correct alternative in each of the following:

Let P(A) = 7/13, P(B) = 9/13 and P(A ∩ B) = 4/13. Then



Now,


→ (1)


geogebra-export.png


→ Refer to the Picture





Now using equation (1),





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29

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


 30

Mark the correct alternative in each of the following:

If P(A) = 3/10, P(B) = 2/5 and P(A ∪B) = 3/5, then P(A/B) + P(B/A) equals


 32

Mark the correct alternative in each of the following:

If and then is equal to


 33

Mark the correct alternative in each of the following:

If A and B are two events such that then equals