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April 24, 2014

Homework Help: Statistics- Math

Posted by Jessica Adamas on Thursday, February 9, 2012 at 3:44pm.

Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level.
n=550 x= 220, 90% confidence

The margin of error E = (round to four decimal places)

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