Question: 3.2.6 Seated at random at a round table with n seats are n people, among them John and Mary. (i) Answer questions (iHiv) of Problem

3.2.6 Seated at random at a round table with n seats are n people, among them John and Mary. (i) Answer questions (iHiv) of Problem 3.2.5. Anything peculiar about the answer to (iii)? (ii) Assume that n = 2k. Find the probability that John and Mary sit facing each other ( e g , numbers 1 and 7 on the clock).

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