Question: 17. Let n 2 1 be an integer. A bag contains n red balls and n blue balls. We choose a unifor random subset of

17. Let n 2 1 be an integer. A bag contains

17. Let n 2 1 be an integer. A bag contains n red balls and n blue balls. We choose a unifor random subset of two balls. Define the event A-"this subset consists of one red ball and one blue ball". What is Pr(A)? (a) n2/(a) (b) (#92 c) n (d) (2)2

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