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6.2.17-T Question Help In a random sample of 21 people, the mean commute time to work...
In a random sample of 29 people, the mean commute time to work was 30.3 minutes...
In a random sample of 29 people, the mean commute time to work was 30.3 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.
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
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 21 people, the mean commute time to work was33.9 minutes and...
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...
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
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...
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
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...
In a random sample of 18 people, the mean commute time to work was 33.8 minutes...
In a random sample of 18 people, the mean commute time to work was 33.8 minutes and the standard deviation was 7.1 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.
In a random sample of 17 people, the mean commute time to work was 32.2 minutes...
In a random sample of 17 people, the mean commute time to work was 32.2 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results.
In a random sample of 25 people, the mean commute time to work was 30.2 minutes...
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...
In a random sample of 8 people, the mean commute time to work was 34.5 minutes...
In a random sample of 8 people, the mean commute time to work was 34.5 minutes and the standard deviation was 7.3 minutes. A 95% confidence interval using the t-distribution was calculated to be (28.4.40.6). After researching commute times to work, it was found that the population standard deviation is 9.4 minutes. Find the margin of error and construct a 95% confidence interval using the standard normal distribution with the appropriate calculations for a standard deviation that is known. Compare...
In a random sample of 18 people, the mean commute time to work was 31.5 minutes...
In a random sample of 18 people, the mean commute time to work was 31.5 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 95% confidence interval for the population mean muμ. What is the margin of error of muμ? Interpret the results.
In a random sample of 8 people, the mean commute time to work was 34.5 minutes and the standard deviation was 7.3 minutes. A 95% confidence interval using the t-distribution was calculated to be (28.4.40.6). After researching commute times to work, it was found that the population standard deviation is 9.4 minutes. Find the margin of error and construct a 95% confidence interval using the standard normal distribution with the appropriate calculations for a standard deviation that is known. Compare...
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