Posted by Pietro on Tuesday, November 12, 2013 at 5:56pm.
There are 5 red ,3 green and 4 blue marbles in a bag.what would be the chance of getting a red marble if the marble was pulled out of the bag without looking?

Math  Kuai, Tuesday, November 12, 2013 at 6:05pm
p(red) = 5/12
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