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April 1, 2015

April 1, 2015

Posted by **Anonymous** on Tuesday, October 5, 2010 at 7:19pm.

Round your answer to the nearest hundredths. .

- statistics -
**MathGuru**, Tuesday, October 5, 2010 at 8:14pmMargin of error = (z-value)(sd/√n)

Find the z-value using the z-table for 90% confidence. You will need the standard deviation and the sample size to finish the calculation.

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