Sociology 381L Name Estimation Ouiz There has ben a great deal of discussion about global warming in recent vears, In 2006, the Pew Rescarch Center conducted a survey of 1,501 Americans to assess...

Extracted text: Sociology 381L Name Estimation Ouiz There has ben a great deal of discussion about global warming in recent vears, In 2006, the Pew Rescarch Center conducted a survey of 1,501 Americans to assess their opinion of global warming. The data show 615 respondents of the 1,501 surveyed felt global warming is a very serious problem. 615 - 0.409 1501 a. Estimate the proportion of all adult Americans who felt global warming is a very serious problem at the 95% confidence interval. b. Estimate the proportion of all adult Americans who felt global warming is a very serious problem at the 99% confidence interval. If you were going to write a report on this poll result, would you prefer to use the 99% or 95% confidence interval? Explain why.