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January 31, 2015

January 31, 2015

Posted by **arron** on Tuesday, June 5, 2012 at 1:47pm.

- math -
**MathMate**, Tuesday, June 5, 2012 at 3:10pmz=(X-μ)/σ

Look up tables and find the difference between z(41) and z(29)

- math -
**Reiny**, Tuesday, June 5, 2012 at 3:12pmjust enter you data into

http://davidmlane.com/hyperstat/z_table.html

you should get .682689

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