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The Consumer Reports National Research Center conducted a telephone survey of 2,000 aduits to lears about the major economic concerns for the future. The survey results showed that 1 respondents think the future health of Social Security is a major economic concern. a. What is the point estimate of the population proportion of adults who think the future health of Social Seourity is a major economic concern? b. At 90%% confidence, what is the margin of error (to 3 decimals)? Use critical value with three decimal places Use ential value nith three c Develop a 9a% co ndence interval for the population proportion of adults who think the hairy heath of Social Security is places major economic concern (to 3 deo nais d. Develop a 9S% confidence interval for this population propoton (to 3 dedmals).
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Date X112 oi adutts INho tins uture health a Gocial selunt is messure 720 万一 C go%. Comfidanct i nterve d 95 Con fi dance j ut erva 0.86± o.01 5 1

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