Posted by keisha on Sunday, March 14, 2010 at 8:11pm.
11 marbles, 5 green
probability that #1 is green = 5/11
now 10 marbles, 4 green
probability that #2 is green = 4/10
now 9 marbles, 3 green
probability that #3 is green = 3/9
so
5/11 * 2/5 * 1/3
= 2/33
thanks what is the probability that at least one of the marbles drawn is green? I thinks it's 1/11 but not sure.
Then what is the probability that only one of the marbles drawn are green?
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