A group of N students will be randomly seated in a row of N chairs. What is the probability that Beth,

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A group of N students will be randomly seated in a row of N chairs. What is the probability that Beth, one of the students, will be at the extreme right-hand end of the row?

(1) N is an odd prime number
(2) the probability that Steve, another one of the students, is at the extreme left-hand end of the row is 1/13


OA B

Source: Magoosh