On Sunday, November 6, 2005, the popular television drama The West Wing held a live debate between two fictional candidates for president. Immediately afterward, an MSNBC/Zogby poll found that 54% favored Democratic Congressman Matt Santos, played by Jimmy Smits, whereas 38% favored Republican Senator Arnold Vinick, played by Alan Alda. The poll was conducted online with a random sample of respondents; the Zogby company screened the online respondents to try to ensure they were representative of the population of 1208 adult Americans. b. Produce and interpret a 90% confidence interval for the population proportion who favored Santos. Round your answers to four decimal places. (______,_____)
On Sunday, November 6, 2005, the popular television drama The West Wing held a live debate between two fictional candidates for president. Immediately afterward, an MSNBC/Zogby poll found that 54% favored Democratic Congressman Matt Santos, played by Jimmy Smits, whereas 38% favored Republican Senator Arnold Vinick, played by Alan Alda. The poll was conducted online with a random sample of respondents; the Zogby company screened the online respondents to try to ensure they were representative of the population of 1208 adult Americans.
b. Produce and interpret a 90% confidence interval for the population proportion who favored Santos.
Round your answers to four decimal places.
(______,_____)
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