Events and are independent

MATHEMATICS · Multi-part · A Level · Mathematics · Probability · Probability

Problem

Events AA and BB are independent. It is given that the probability that at least one of the events occurs is 0.560.56, and the probability that AA does not occur while BB occurs is 0.140.14. Solve the following. (i) Form two equations involving P(A)P(A) and P(B)P(B) using the given information. (ii) Solve the equations to obtain P(A)P(A), P(B)P(B), and P(A∩B)P(A\cap B). (iii) Hence find the probability that neither AA nor BB occurs.

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