SOLUTION: there are 3 desks and 8 people. what is the probability of geetimg a chnce to sit on the chaires

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Question 489654: there are 3 desks and 8 people. what is the probability of geetimg a chnce to sit on the chaires
Answer by stanbon(75887) About Me  (Show Source):
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there are 3 desks and 8 people. what is the probability of a particular person getting a chance to sit on the chairs
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# of groups of 3 that person is in: 1*7C2 = 21
# of groups of 3 = 8C3 = 56
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P(an individual sits on a chair) = 21/56
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Cheers,
Stan H.
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