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If two marbles are removed from the jar, what is the probability that each of them is red, white, or blue?
The jar contains 5 marbles, 1 of each color, red, white, blue, green, yellow.
I know that since there is an "or" in the question that there must be some addition. However, I think the "each" is throwing me off.
If you remove the marbles *without* replacement, then the probability is (3 c 2) / (5 c 2)
which is 3/10.
If you remove the marbles *with* replacement, i.e. you take one, put it back, then take another one, the odds are (3/5) * (3/5) = 9/25.
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