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In a poll, the president's approval rating stood at 57% in a daily tracking poll of 1300 randomly surveyed adults. Complete parts a and b. a) Make a 95% confidence interval for the president's approval rating by all adults. (Round to three decimal places as needed.) b) Based on the confidence interval, test the null hypothesis that the president's approval rating was essentially the same as his approval rating of 52% when he was elected to his second term. of is the null hypothesis because the approval rating the confidence interval.

In a poll, the president's approval rating stood at 57% in a daily tracking poll of 1300 randomly surveyed adults. Complete parts a and b. a) Make a 95% confidence interval for the president's approval rating by all adults. (Round to three decimal places as needed.) b) Based on the confidence interval, test the null hypothesis that the president's approval rating was essentially the same as his approval rating of 52% when he was elected to his second term. of is the null hypothesis because the approval rating the confidence interval.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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In a poll, the president's approval rating stood at 57% in a daily tracking poll of 1300 randomly surveyed adults. Complete parts a and b. a) Make a 95% confidence interval for the president's approval rating by all adults. (Round to three decimal places as needed.) b) Based on the confidence interval, test the null hypothesis that the president's approval rating was essentially the same as his approval rating of 52% when he was elected to his second term. of is the null hypothesis because the approval rating the confidence interval.
Transcribed Image Text:In a poll, the president's approval rating stood at 57% in a daily tracking poll of 1300 randomly surveyed adults. Complete parts a and b. a) Make a 95% confidence interval for the president's approval rating by all adults. (Round to three decimal places as needed.) b) Based on the confidence interval, test the null hypothesis that the president's approval rating was essentially the same as his approval rating of 52% when he was elected to his second term. of is the null hypothesis because the approval rating the confidence interval.
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