The probability of occurrence of two events A and B are `1//4` and `1//2` respectively . The probability of their simultaneous occurrence is `7/50`., find the probability that neither A nor B occurs .

The probability of occurrence of two events A and B are 1//4 and 1//2 respectively . The probability of their simultaneous occurrence is 7/50 . Find the probability that either A or B must occur.

The probabilities of the occurrences of two events E_(1) and E_(2) are 0.25 and 0.50 respectively. The probability of their simultaneous occurrence is 0.14. Find the probability that neither E_(1) " nor " E_(2) occurs.

The probability of two events A and B are 0.25 and 0.50 respectively.The probability of their simultaneous occurrences 0.15. Find the probability that neither A nor B occurs.

The probabilities of the occurrence of two events E_(1) and E_(2) are 0.25 and 0.50 respectively. The probability of their occurrence simultaneously is 0.15, find the probability that neither E_(1) nor E_(2) will occur.

Two events A and B have probability 0.28 and 0.55 respectively. The probability that A and B occur simultaneously is 0.14. Find the probability that neither A nor B occurs

Let A and B be two independent events.The probability of their simultaneous occurrence is 1/8 and the probability that neither occurs is 3/8. Find P(A) and P(B) .

Probability of occurrence of event and non occurrence of an event

The probability of the non-occurrence of an event is 2/7 . Find the probability of the occurrence of the event.