Arithmetic Ability
 Probability

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Q.

The probability of occurance of two two events A and B are 1/4 and 1/2 respectively. The probability of their simultaneous occurrance is 7/50. Find the probability that neither A nor B occurs.

View Answer

Correct choice: B

Explanation:

P ( neither A nor B) = P(A and B) = P(A∩B) = P(A∪B)= 1−P(A∪B) = 1−61/100=39/100
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