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April 1, 2015

April 1, 2015

Posted by **john** on Friday, March 25, 2011 at 3:46pm.

- math -
**Reiny**, Friday, March 25, 2011 at 5:05pmlet's do the prob of 2 red

= (10/30)(10/30) = 1/9

the same is true for each of the other two colours

so prob(2 of the same colour) = 3(1/9) = 1/3

- math -
**Henry**, Friday, March 25, 2011 at 10:36pmJohn, check your 3-23-11, 10:56am post.

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