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December 19, 2014

December 19, 2014

Posted by **Tom 6** on Saturday, June 15, 2013 at 4:50pm.

Incorrect: Your answer is incorrect. . 8.8 lb

I have tried this one several times and can not get it right, please help!!!!!

- Math Help and check -
**Steve**, Saturday, June 15, 2013 at 7:18pm.05 is P(Z<-1.645)

That is, 18 is 1.645 std below the mean.

So, the mean is 18+2*1.645 = 21.29

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