Homework Help: Statistics

Posted by Nathalia on Sunday, October 30, 2011 at 6:17pm.

During a national debate on changes to health care, a cable news service performs an opinion poll of 570 small-business owners. It shows that 72 percent of small-business owners do not approve of the changes.

(a) Develop a 90 percent confidence interval for the proportion opposing health care changes
Find the confidence intervals for the proportion

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