Posted by **cindy** on Friday, October 9, 2009 at 5:09pm.

1.A box contains four red marbles, seven white marbles, and five blue marbles. If one marble is drawn at random, find the probability for each of the following:

a.A blue marble is drawn: ______

b.A red or blue marble is drawn: _____

c.Neither a blue or red marble is drawn:

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