Mathematics, 29.10.2021 23:40 crookdamian21

There are 2n people that enter a housing lottery to win a free mobile service for one year. The 2n people consist of n pairs of roommates. There are m people that win the year of mobile service, the others win nothing. What is the expected number of pairs of roommates where neither win anything

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There are 2n people that enter a housing lottery to win a free mobile service for one year. The 2n p...

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