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Suppose 5 men and 7 women are on a crowded elevator. At the next floor, four people get off the elevator. Find the probability that three are women. 0.010 0.354 0.424 0.25
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27 votes
27 votes
Suppose 5 men and 7 women are on a crowded elevator. At the next floor, four people get off the elevator. Find the probability that three are women.

0.010

0.354

0.424

0.25

User Wesley Workman
by
2.6k points

1 Answer

21 votes
21 votes

Total People=5+7+4=16

  • Women=7

We know


\boxed{\sf P(W)=(No.\:of\:women)/(Total\:People)}


\\ \sf \longmapsto \: p(w) = (7)/(16)

User Mark Bonano
by
3.1k points
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