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January 30, 2015

January 30, 2015

Posted by **John** on Monday, January 26, 2009 at 1:07pm.

- Math -
**drwls**, Monday, January 26, 2009 at 2:32pmThat equals the probability of blue followed by white PLUS the probability of white followed by blue.

That would be 2 [(5/20) x (8/20) ]

= 80/400 = 1/5

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