married couples ( husbands and wives) sit at a round table of seats at random. The seating scheme is such that the seats must alternate between men and women. Find the number of couples that will sit together on average. Assume .
married couples ( husbands and wives) sit at a round table of seats at random. The seating scheme is such that the seats must alternate between men and women. Find the number of couples that will sit together on average. Assume .
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