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February 28, 2015

February 28, 2015

Posted by **Janet** on Saturday, December 5, 2009 at 7:58pm.

- math help -
**Reiny**, Saturday, December 5, 2009 at 8:21pmWithout restrictions, number of councils is

C(20,5) or 15504

I will assume you want exactly 3 from A and 2 from B, so that number is C(8,3)xC(7,2) or 1176

so prob(of stated event) = 1176/15504

= 49/646 or .07585

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