8. In a telephone poll (assume that it is a SRS) of 1014(n) adult Americans taken by Yankelovich Partners, Inc., in Janu

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8 In A Telephone Poll Assume That It Is A Srs Of 1014 N Adult Americans Taken By Yankelovich Partners Inc In Janu 1 (30.72 KiB) Viewed 141 times

8. In a telephone poll (assume that it is a SRS) of 1014(n) adult Americans taken by Yankelovich Partners, Inc., in January 1999, 39% of adults favored using tax money to buy undeveloped land to keep it free from development. We want to estimate the suitable proportion in the population. i) Describe the parameter. Is it known? ii) What is the goal of the confidence interval here? iii) What is the 99% level margin of error? Construct a 99% confidence interval for the proportion of all-American adults who feel that tax money should be used in this way. iv) Find the suitable sample size to cut down the above margin of error into .