SOLUTION: There are 12 balloons in a bag: 3 each of blue, green, red, and yellow. Three balloons are chosen at random. Find the probability that all 3 of the balloons are green.

Algebra ->  Probability-and-statistics -> SOLUTION: There are 12 balloons in a bag: 3 each of blue, green, red, and yellow. Three balloons are chosen at random. Find the probability that all 3 of the balloons are green.       Log On


   

Question 293650: There are 12 balloons in a bag: 3 each of blue, green, red, and yellow. Three balloons
are chosen at random. Find the probability that all 3 of the balloons are green.
Answer by brucewill(101) About Me  (Show Source):
You can put this solution on YOUR website!
Selection, without replacement.
First one: 3/12
Second one: 2/11
Third one: 1/10
Multiply them all: %283%2F12%29%282%2F11%29%281%2F10%29 = 1/220.