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)

- Statistics- Math -
**Anonymous**, Thursday, May 1, 2014 at 12:41pm
sdf

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