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April 25, 2015

Homework Help: STATISTICS

Posted by Susie on Tuesday, August 6, 2013 at 3:48pm.

In a survey of 1000 registered U.S. voters, 55% respond that they support health care reform. What is the 95% confidence interval for the true percentage of U.S. registered voters who support health care reform?

50%-60%
55%-60%
51%-59%
52%-58%
49%-47%

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