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Suppose twelve pairs of siblings are participating in a game. We further assume that no one is a sibling of anyone in other pairs. The

Suppose twelve pairs of siblings are participating in a game. We further assume that no one is a sibling of anyone in other pairs. The total of 24 people are randomly split into eight teams of three people each, where all possible splits are equally likely. What is the expected value of the number of teams with a sibling pair?

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