Question 278603: A bag contains 2 white, 4 green, 6 red, 8 blue, and 10 black marbles. if the marbles are drawn at random and not replaced, find the probability of the following, order is not important and marbles are replaced at the end of each problem
p(1 red,1 white,1 blue)
(8:26:35 PM): p(2green)
(8:26:38 PM): p(3red)
(8:26:50 PM): p(2green, 2black)
Answer by edjones(8007)   (Show Source):
You can put this solution on YOUR website! 2+4+6+8+10=30=n
nCr Combination of n things taken r at a time.
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p(1 red,1 white,1 blue)
P=(6C1 * 2C1 * 8C1)/30C3
=24/1015=.0236
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The rest are done in the same manner.
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Ed
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