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March 30, 2015

Homework Help: Math for the middle school and elementary teacher

Posted by liz on Tuesday, February 28, 2012 at 9:51pm.

3 red balls, 4 green balls, and 5 yellow balls are in a bag. If 2 balls are drawn randomly (without replacement) find the probability that the balls are different colors.

I got 47/66 that the balls are different colors...is that right?

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