1.

A and B are two independent events. The probability that both A and B occur is \[\frac{1}{6}\] and the probability that neither of them occurs is \[\frac{1}{3}\]. Then the probability of the two events are respectively                                          [Roorkee 1989]

A.                 \[\frac{1}{2}\]and \[\frac{1}{3}\]       
B.                 \[\frac{1}{5}\]and \[\frac{1}{6}\]
C.                 \[\frac{1}{2}\]and \[\frac{1}{6}\]       
D.                 \[\frac{2}{3}\]and \[\frac{1}{4}\]
Answer» B.                 \[\frac{1}{5}\]and \[\frac{1}{6}\]


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