i safari File Edit View History Bookmarks Window Help 55% CO Wed 4:28 PM a What

Question

i safari File Edit View History Bookmarks Window Help 55% CO Wed 4:28 PM a What Are The Correct Answers?? Thank You!! Connect Chapter 9 6 Saved Help Save & Exit Submit 41 PM Check my work 4 The Fox TV network is considering replacing one of its prime-time crime investigation shows with a new family-oriented comedy show. Before a final decision is made, network executives commission a sample of 300 viewers. After viewing the shows, 200 indicated they would watch the new show and suggested it replace the crime investigation show. een Shot 12..17.44 PM points a. Estimate the value of the population proportion. (Round your answers to 3 decimal places.) een Shot 12...20.32 PM eBook Print Reterences een Shot 12...0.38 PM b. Develop a 98% confidence interval for the population proportion. (Use zDistribution Table.) (Round your answers to 3 decimal places.) cen Shot 2...22.25 PM een Shot 2...22.27 PM Reference links een Shot 12...4.44 PM 6

Explanation / Answer

p is 200/300=0.667

N is 300

a) 0.667

b) z for 98% confidence is 2.33

thus the lower bound is p-z*sqrt(p*(1-p)/N)=0.667-2.33*sqrt(0.667*(1-0.667)/300)=0.604

upper bound is p+z*sqrt(p*(1-p)/N)=0.667+2.33*sqrt(0.667*(1-0.667)/300)=0.730

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