Posted by matt on Saturday, May 12, 2012 at 7:22pm.
Among the 16, how many are from Atlantis and how many are from Zedonia?
11 are from Atlantis and 5 are from Zedonia
Number of ways to choose 3 from each would be:
n=11!/(8!3!) * 5!/(2!3!)
out of total number of ways
N=16!/(6!10!)
Probability: n/N = 75/364
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