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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

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by M7MBA » Sun Jun 14, 2020 8:32 am

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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.

[spoiler]OA=B[/spoiler]

Source: Magoosh
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