Family Values In a USA Today/Gallup poll, 768 of 1024 randomly selected adult Americans
Chapter 9, Problem 28(choose chapter or problem)
Family Values In a USA Today/Gallup poll, 768 of 1024 randomly selected adult Americans aged 18 or older stated that a candidates positions on the issue of family value are extremely or very important in determining their vote for president. (a) Obtain a point estimate for the proportion of adult Americans aged 18 or older for which the issue of family values is extremely or very important in determining their vote for president. (b) Verify that the requirements for constructing a confidence interval for p are satisfied. (c) Construct a 99% confidence interval for the proportion of adult Americans aged 18 or older for which the issue of family values is extremely or very important in determining their vote for president. (d) Is it possible that the proportion of adult Americans aged 18 or older for which the issue of family values is extremely or very important in determining their vote for president is below 70%? Is this likely? (e) Use the results of part (c) to construct a 99% confidence interval for the proportion of adult Americans aged 18 or older for which the issue of family values is not extremely or very important in determining their vote for president.
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