During a national debate on changes to health care, a cable news service performs an opinion poll of 580 small-business owners. It shows that 73 perce

During a national debate on changes to health care, a cable news service performs an opinion poll of 580 small-business owners. It shows that 73 percent of small-business owners do not approve of the changes. (a) Develop a 95 percent confidence interval for the proportion opposing health care changes. (Round your answers to 4 decimal places.) Confidence interval for the proportion and . (b) Do majority approve?