Now solved: Determining Sample Size. In Exercises 2936, use the given data to find the
Chapter 7, Problem 35(choose chapter or problem)
Determining Sample Size. In Exercises 2936, use the given data to find the minimum sample size required to estimate a population proportion or percentage.Twitter As manager for an advertising company, you must plan a campaign designed to increase Twitter usage. You want to first determine thepercentage of adults who know what Twitter is. How many adults must you survey in order to be 90% confident that your estimate is within fivepercentage points of the true population percentage?a. Assume that nothing is known about the percentage of adults who know what Twitter is.b. Assume that a recent survey suggests that about 85% of adults know what Twitter is (based on a Pew Research Center suvery).c. Given that the required sample size is relatively small, could you simply survey the adults at the nearest college?
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