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Eight grandmothers meet every Wednesday afternoon to play Mahjong. They randomly determine which 4 woman play...

Eight grandmothers meet every Wednesday afternoon to play Mahjong. They randomly determine which 4 woman play together on each of the two tables. How many different combinations of grandmothers will play together on table 1? What is the probability that the best of 4 players will be matched together on this table? What is the probability that the best 4 players will be matched together on either table?

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