Question: During a national debate on changes to health care a
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. Develop a 95% confidence interval for the proportion opposing health care changes. Comment on the result.
Answer to relevant QuestionsA film alliance used a random sample of 50 U.S. citizens to estimate that the typical American spent 78 hours watching videos and DVDs last year. The standard deviation of this sample was 9 hours.a. Develop a 95% confidence ...Near the time of an election, a cable news service performs an opinion poll of 1,000 probable voters. It shows that the Republican contender has an advantage of 52% to 48%.a. Develop a 95% confidence interval for the ...The following hypotheses are given.H0: σ21 < σ22H1: σ21 > σ22A random sample of five observations from the first population resulted in a standard deviation of 12. A random sample of seven observations from the second ...The following are four observations collected from each of three treatments. Test the hypothesis that the treatment means are equal. Use the .05 significance level.a. State the null and the alternate hypotheses.b. What is ...The following data are given for a two-factor ANOVA with three treatments and threeblocks.
Post your question