SOLUTION: To people are selected from 6 freshman and 8 sophomores. Find the probability both are freshman or both are sophomores.
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Question 476892: To people are selected from 6 freshman and 8 sophomores. Find the probability both are freshman or both are sophomores.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Two people are selected from 6 freshman and 8 sophomores. Find the probability both are freshman or both are sophomores.
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P(2 frosh or 2 soph) = P(2frosh) + P(2soph)
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= [6C2 + 8C2]/14C2
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= [15 + 28]/91
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= 43/91
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Cheers,
Stan H.
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