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There is a 36-card deck. Three cards are taken without

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There is a 36-card deck. Three cards are taken without [#permalink] New post 06 Jul 2003, 12:47
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There is a 36-card deck. Three cards are taken without repetition at random. What is the probability of having any three aces?
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 [#permalink] New post 06 Jul 2003, 23:03
Not sure how many aces are in a 36-card deck, but assuming there are 4, is it:

(4c3)x(4/36)x(3/35)x(2/34) ?
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 [#permalink] New post 06 Jul 2003, 23:23
1. (4/36)*(3/35)*(2/34) = 1/1785

OR

2. total 36C3, favorable 4C3

4C3/36C3 = 1/1785
  [#permalink] 06 Jul 2003, 23:23
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