Asked by Anonymous

A bag contains 3 black balls,four white balls and 5 red balls.Three balls are removed without replacement,what is the probability of obtaining one of each balls

Answers

Answered by oobleck
There are 12 balls in all, so
P(black,white,red) = 3/12 * 4/11 * 5/10
There are 6 permutations of those colors, so ...
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