Question 128817
Find the number of possible 5-card hands that contain the cards specified: 4 aces and 1 other card.
Pick 4 aces in 4C4 = 1 way
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Pick 1 other card in 48C1 = 48 ways
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Total # of hands = 1*48 = 48
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I was able to find the formula for a 5-card hand with 2 aces 
Pick 2 aces in 4C2 = 6 ways
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Pick 3 other cards from 50 in 50C3 = 19600 ways
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Total # of hands = 6*19600 = 117600 ways
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Cheers,
Stan H.