(0) A poll of 2,21O likely voters was conducted on the president's performance. Approximately what margin...

 

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(0) A poll of 2,21O 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 pol showed that 48 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 contains .50. No, the confidence interval does not contain 50. (0) A poll of 2,21O 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 pol showed that 48 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 contains .50. No, the confidence interval does not contain 50.

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a n 2228 p 05 zscore 196 margin of error zscore standard error 196 ... View the full answer