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February 28, 2015

February 28, 2015

Posted by **Sandy** on Friday, February 22, 2013 at 1:10am.

- statistics -
**JJ**, Friday, February 22, 2013 at 9:29amYou are looking for the area under a normal curve between -1.5 and 1.5 standard deviations.

Use a calculator to find this area

or Use a z-table.

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