Question 615090
Steve and Joe were discussing how many different 5-card combinations of standard playing cards that have exactly 2 suits. Steve's wife Elizabeth, heard the discussion and gave them the correct answer. How many hands did she tell them were possible? (Please show your work)
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Pick 2 suits: 4C2 = 6 ways
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# with 1 suit: 13C5 + 13C5 
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# with 1 or 2 suits: 26C5
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Ans  # with exactly 2 suits: 6*[26C5-2*13C5] = 379,236
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Cheers,
Stan H.
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