Probability of occurrence of two events A and B are 0 25 and 0 50 Probability of simultaneous occurr...........

Quantitative Aptitude ( CCS) Probability

Probability of occurrence of two events A and B are 0.25 and 0.50. Probability of simultaneous occurrence of A and B are 0.14. The probability that neither A nor B occur is

0.28

0.39

0.47

0.61

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Explanation:

P(A U B) = 0.25 + 0.5 - 0.14 = 0.61
For finding the probability of none of the event taking place we have to take the compliment of both the events occurring together..
Thus 1 - P(A U B) = 1 - 0.61 = 0.39