Answer: In the 2004 presidential election, exit polls from
Chapter 10, Problem 10-69(choose chapter or problem)
In the 2004 presidential election, exit polls from the critical state of Ohio provided the following results: For respondents with college degrees, 53% voted for Bush and 46% voted for Kerry. There were 2020 respondents. (a) Is there a significant difference in these proportions? Use . What is the P-value? (b) Calculate a 95% confidence interval for the difference in the two proportions and comment on the use of this interval to answer the question in part (a).
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