You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare...


You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the<br>population mean. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals.<br>A random sample of 35 home theater systems has a mean price of $145.00. Assume the population standard deviation is $18.10.<br>Construct a 90% confidence interval for the population mean.<br>The 90% confidence interval is (139.97, 150.03).<br>(Round to two decimal places as needed.)<br>Construct a 95% confidence interval for the population mean.<br>The 95% confidence interval is ( 139 , 151).<br>(Round to two decimal places as needed.)<br>Interpret the results. Choose the correct answer below<br>O A. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price<br>lies in the second interval. The 95% confidence interval is wider than the 90%.<br>O B. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population<br>mean price lies in the second interval. The 95% confidence interval is wider than the 90%.<br>OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population<br>mean price lies in the second interval. The 95% confidence interval is narrower than the 90%.<br>R...<br>nsta...<br>PDF<br>W<br>2021<br>lents.pdf<br>DRAFT<br>Deputy Fire...<br>Click to select your answer and then click Check Answer.<br>All parts showing<br>Clear All<br>Final Check<br>Riley LAMA<br>e to search<br>Do Homework - Un<br>My Qucrtions Lhart<br>

Extracted text: You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. A random sample of 35 home theater systems has a mean price of $145.00. Assume the population standard deviation is $18.10. Construct a 90% confidence interval for the population mean. The 90% confidence interval is (139.97, 150.03). (Round to two decimal places as needed.) Construct a 95% confidence interval for the population mean. The 95% confidence interval is ( 139 , 151). (Round to two decimal places as needed.) Interpret the results. Choose the correct answer below O A. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price lies in the second interval. The 95% confidence interval is wider than the 90%. O B. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is wider than the 90%. OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is narrower than the 90%. R... nsta... PDF W 2021 lents.pdf DRAFT Deputy Fire... Click to select your answer and then click Check Answer. All parts showing Clear All Final Check Riley LAMA e to search Do Homework - Un My Qucrtions Lhart
Jun 07, 2022
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