In a random sample of eleven cell phones, the mean full retail price was $472.50 and the standard deviation was $223.00. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.) Construct a 95% confidence interval for the population mean. (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. With % confidence, it can be said that the population mean full retail price of cell phones (in dollars) is between the interva's endpoints. O B.% of all random samples of eleven people from the population of cell phones will have a mean full retail price (in dollars) that is between the intervals endpoints. O C. It can be said that % of the population of cell phones have full retail prices (in dollars) that are between the interval's endpoints. O D. With % confidence, it can be said that most cell phones in the population have full retail prices (in dollars) that are between the interval's endpoints Next Textbook Calculator 9:20 AM 54°F 12/5/2021 出 O Type here to search 3005/17
In a random sample of eleven cell phones, the mean full retail price was $472.50 and the standard deviation was $223.00. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.) Construct a 95% confidence interval for the population mean. (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. With % confidence, it can be said that the population mean full retail price of cell phones (in dollars) is between the interva's endpoints. O B.% of all random samples of eleven people from the population of cell phones will have a mean full retail price (in dollars) that is between the intervals endpoints. O C. It can be said that % of the population of cell phones have full retail prices (in dollars) that are between the interval's endpoints. O D. With % confidence, it can be said that most cell phones in the population have full retail prices (in dollars) that are between the interval's endpoints Next Textbook Calculator 9:20 AM 54°F 12/5/2021 出 O Type here to search 3005/17
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:In a random sample of eleven cell phones, the mean full retail price was $472.50 and the standard deviation was $223.00. Assume the population is normally distributed and use the t-distribution to find the margin of error and
construct a 95% confidence interval for the population meanp. Interpret the results.
臺三
Identify the margin of error.
(Round to one decimal place as needed.)
Construct a 95% confidence interval for the population mean.
(Round to one decimal place as needed.)
Interpret the results. Select the correct choice below and fill in the answer box to complete your choice.
(Type an integer or a decimal. Do not round.)
O A. With
% confidence, it can be said that the population mean full retail price of cell phones (in dollars) is between the interval's endpoints.
O B.
% of all random samples of eleven people from the population of cell phones will have a mean full retail price (in dollars) that is between the interval's endpoints.
O C. It can be said that
% of the population of cell phones have full retail prices (in dollars) that are between the interval's endpoints.
O D. With
% confidence, it can be said that most cell phones in the population have full retail prices (in dollars) that are between the interval's endpoints.
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