Question

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

Answer 1

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)`