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The September 13, 1999 issue of Sports Illustrated contained 116 pages, and 54 of those pages...

The September 13, 1999 issue of Sports Illustrated contained 116 pages, and 54 of those pages contained an advertisement. The September 14, 1999, issue of Soap Opera Digest consisted of 130 pages, including 28 pages with advertisements.

Find a 99% confidence interval for the proportion of pages that are ads in Sports Illustrated. What is the lower endpoint of this interval?

Find a 99% confidence interval for the proportion of pages that are ads in Soap Opera Digest. What is the upper endpoint of this interval?

One of these intervals for the proportion of pages that are ads is wider than the other. How much wider is the wider interval?

Math   Statistics-And-Probability   
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