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In a random sample of 25 ​people, the mean commute time to work was 30.2 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 80​% confidence interval for the population mean mu. What is the margin of error of mu​? Interpret the results. The confidence interval for the population mean mu is left parenthesis nothing comma nothing right parenthesis . ​(Round to one decimal place as​ needed.) The...

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In a random sample of 25 people, the mean commute time to work was 32.9 minutes and the standard deviation was 7.1 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ: What is the margin of error of μ? Interpret the results. The confidence interval for the population mean μ is _______  The margin of error of μ is _______ Interpret the results A. If a large sample of people are...

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In a random sample of 29 people, the mean commute time to work was 323 minutes and the standard deviation was 72 minutes. Assume the population is normally distributed and use at distribution to construct a 99% confidence interval for the population mean . What is the margin of error of u? Interpret the results The confidence interval for the population MAAN (Round to ona decimal ACA 2 neded) D The margin of error of his (Round to ona decimal...

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In a random sample of 21 ​people, the mean commute time to work was33.9 minutes and the standard deviation was7.3minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 98​%confidence interval for the population mean mμ. What is the margin of error of mμ​? The confidence interval for the population mean mμ is -------------- The margin of error of mμ is ​----------------- Interpret the results. A. With 98​% confidence, it can be said that the commute...

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In a random sample of 17 people, the mean commute time to work was 30.7 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t-distribution to construct a 95% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results. The confidence interval for the population mean μ is  _______ . The margin of error of μ is _______ .Interpret the results A. With 96% confidence, it can...

• ### in a random sample of 24 people, the mean com m e to work was 32...

in a random sample of 24 people, the mean com m e to work was 32 confidence intervalo ne p o men. What is the margin of mor of and the standard the o ws Authe population is normally and ac tion to come The confidence in for the population meanis Round to one decimal place as needed) The margin of error of is Round to che decimal places needed) Interpret the results OA Win 99% confidence it can be...

• ### In a random sample of 18 people, the mean commute time to work was 30.7 minutes...

In a random sample of 18 people, the mean commute time to work was 30.7 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t distribution to construct a 80% confidence interval for the population mean. What is the margin of error? In a random sample of 18 people, the mean commuite time to work to one decimal place as needed ) The margn of ee of D. It can be said...

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In a random sample of 2626 ​people, the mean commute time to work was 30.330.3 minutes and the standard deviation was 7.37.3 minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 9595​% confidence interval for the population mean muμ. What is the margin of error of muμ​? Interpret the results. The confidence interval for the population mean muμ is left parenthesis nothing comma nothing right parenthesis .,. ​(Round to one decimal place as​ needed.) The...

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In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results. The confidence interval for the population mean μ is _______ . (Round to one decimal place as needed.) The margin of error of  μ is _______  (Round to...

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In a random sample of 19 people, the mean commute time to work was 31.7 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 80​% confidence interval for the population mean What is the margin of error of μ​? Interpret the results. The confidence interval for the population mean μ is (,)