statistics
posted by jamar .
4. A Prisoner escapes from jail. There are three roads leading away form the jail. If the prisoner selects road A to make good here escape, the probability that she succeeeds is 1/4. If she selects road B, the probability that she succeeds is 1/5. If she selects road C, the probability she succeeds is 1/6. Furthermore, the prpbability that she selects of these roads is the same, Is is 1/3rd. If the prisoner succeeds on her escape, what is the probability that she made good her escape by using road B?

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