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September 21, 2014

September 21, 2014

Posted by **Terra** on Thursday, January 12, 2012 at 5:30pm.

(a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01 grams per mile ?

- Statistics -
**Terra**, Thursday, January 12, 2012 at 8:14pmNever mind, got it. If anyone wants to know how to get it though...

1.5/(sq root of .9)=.01

Solve the equation, then square each side.

Answer=225

- Statistics -
**Terra**, Thursday, January 12, 2012 at 8:16pmAnd by .9 I definitely meant n.....haha

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