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September 19, 2014

September 19, 2014

Posted by **Anonymous** on Tuesday, April 24, 2012 at 4:45pm.

- math -
**SoccerStar**, Tuesday, April 24, 2012 at 5:12pmThere are 12 grades total. To find the probability of A OR B, you would add the amount of A and B grades together. amt. of A's- 4 amt. of B's- 2.

2+4=6

probability of an A or B is 6/12 or 1/2

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