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math question?

if you have 15 drinks to choose from among 8 people, whats the probability at least 2 of them will get the same drink?

2007-04-08 19:34:07 · 2 answers · asked by steven d 2 in Science & Mathematics ➔ Mathematics

2 answers

c(15;8)=6435 ways

(2^8-(1+8))/6435
=250/6435
=50/1287

2007-04-08 19:41:44 · answer #1 · answered by iyiogrenci 6 · 0⤊ 0⤋

well how many of each drink is there

2007-04-09 02:37:15 · answer #2 · answered by lllC-LOSlll 2 · 0⤊ 0⤋

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