SOLUTION: 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.

Algebra ->  Probability-and-statistics -> SOLUTION: 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.       Log On


   

Question 937422: 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.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
12 people: 5M, 7W
four people get off the elevator
P( 3W) = %287C3%29%285C1%29%2F%2812C4%29