During a national debate on changes to health care, a cable news service performs an opinion poll of 500 small-business...

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During a national debate on changes to health care, a cable news service performs an opinion poll of 500 small-business owners. It shows that 65% of small-business owners do not approve of the changes.

 

(a)Develop a 95% confidence interval for the proportion opposing health care changes
    • 11 years ago
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