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February 28, 2015

February 28, 2015

Posted by **kholoud** on Tuesday, September 18, 2012 at 9:31am.

- math -
**Damon**, Tuesday, September 18, 2012 at 9:46amchance of picking 1 black first = 4/11

now have 3 w , 4 r , 3 b or 10

chance of picking black second = 3/10

now have 3 w ,4 r, 2 b or 9

chance of picking red = 4/9

now have 3 w, 3 r , 2 b or 8

chance of picking red = 3/8

now have 3 w , 2 r , 2 b or 7

chance of picking res = 2/7

so

4/11 * 3/10 * 4/9 * 3/8 * 2/7

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