Posted by Anonymous on Friday, June 15, 2012 at 1:10am.
a bag contains 7 red marbles, 8 blue marbles and 4 green marbles. what is the probablity of choosing a blue marble?

math  Damon, Friday, June 15, 2012 at 2:32am
7+8+4 = 19
so 8/19
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