SOLUTION: By using combinations find the following probability> In a box there are 14 red marbles, 99 blue marbles and 8 green marbles. If 12 of the marbles fall out, what is the probabili

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Question 1141028: By using combinations find the following probability>
In a box there are 14 red marbles, 99 blue marbles and 8 green marbles. If 12 of the marbles fall out, what is the probability that there will be 4 of each color?
Answer by greenestamps(13216) About Me  (Show Source):
You can put this solution on YOUR website!


Total possible outcomes: choose 12 of the total 121 marbles

Desired outcomes: 4 of the 14 red, AND 4 of the 99 blue, AND 4 of the 8 green

P(4 of each color) = %28C%289%2C4%29%2AC%2899%2C4%29%2AC%288%2C4%29%29%2FC%28121%2C12%29

Evaluate using a calculator if necessary...