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December 19, 2014

December 19, 2014

Posted by **Anonymous** on Thursday, June 20, 2013 at 5:36pm.

- Statistics -
**Kuai**, Thursday, June 20, 2013 at 8:50pmz = (29.6-25)/(15/sqrt(36)

z = 1.84

z = (30-25)/(15/sqrt(36)

z = 2

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