For a number of years, nearly all Americans say that they would vote for a woman for
Question:
a. Construct a 95% confidence interval for the proportion of all Americans who now believe that America is ready for a female president.
b. If there were n1 = 610 men and n2 = 619 women in the sample, construct a 95% confidence interval for the difference in the proportion of men and women who now believe that America is ready for a female president. Can you conclude that the proportion of men who now believe that America is ready for a female president is larger than the proportion of women? Explain.
c. Look at the percentages of €œyes€ responses for Republicans, Democrats and Independents now compared to the percentages in 1999. Can you think of a reason why the percentage of Democrats might have changed so dramatically?
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a The approximate 95 confidence interval for p is or 522 p ...View the full answer
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780495389538
13th Edition
Authors: William Mendenhall, Robert J. Beaver, Barbara M. Beaver
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