K ces (a) A poll of 2,256 likely voters was conducted on the president's performance. Approximately what margin of error would the approval rating estimate have if the confidence level is 95% ? (Round your answer to 4 decimal places.) Margin of error (b) The poll showed that 46 percent approved the president's performance. Construct a 90 percent confidence interval for the true proportion. (Round your answers to 4 decimal places.) The 90% confidence interval is from to (c) Would you agree that the percentage of all voters opposed is likely to be 50 percent? Yes, the confidence interval contain .50. No, the confidence interval does not contain .50.

K ces (a) A poll of 2,256 likely voters was conducted on the president's performance. Approximately what margin of error would the approval rating estimate have if the confidence level is 95% ? (Round your answer to 4 decimal places.) Margin of error (b) The poll showed that 46 percent approved the president's performance. Construct a 90 percent confidence interval for the true proportion. (Round your answers to 4 decimal places.) The 90% confidence interval is from to (c) Would you agree that the percentage of all voters opposed is likely to be 50 percent? Yes, the confidence interval contain .50. No, the confidence interval does not contain .50.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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