1.

The odds in favour of occurrence of an event are `5 : 12`. Find the probability of the occurrence of this event.

Answer» Number of favourable outcomes = 5.
Number of unfavourable outcomes = 12.
Total number of outcomes = (5 + 12) = 17.
Let E be the event. Then,
`P(E) = ("number of favourable outcomes")/("total number of outcomes") = 5/17.`


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