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During a national debate on changes to health care, a cable news service performs an opinion poll of 490 small-business owners.


During a national debate on changes to health care, a cable news service performs an opinion poll of 490 small-business owners. It shows that 48 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. (Round your answers to 4 decimal places.)

Confidence interval for the proportion ___________ and _____________________ .

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During a national debate on changes to health care, a cable news service
performs an opinion poll of 490 small-business owners. It shows that 48
percent of small-business owners do not approve of...

Sign up to view the full answer

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