gas mileages (in miles per gallon) of 23 randomly selected sports cars are listed in the accompanying table. Assume the mileages are not normally distributed Uee the standard normal distribution or the t-distribution to construct a 90% confidence interval for the population mean. Justify your decision. If neither distribhution can be used, explain why. Interpret the results. EEE Click the icon to view the sports car gas mileages. Let a be the population standard deviation and let n be the sample size. Which distribution should be used to construct the confidence interval? be used to construct the confidence interval, since Identify the confidence interval. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. C (Round to one decimal place as needed.) O B. Neither the standard normal distribution nor the t-distribution can be used to construct the interval. Interpret the results. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. % of all random samples of 23 sports cars from the population of all sports cars will have a mean gas mileage (in miles per gallon) that is between the interval's endpoints. (Type an integer or a decimal. Do not round.) O B. With % confidence, it can be said that most sports cars in the population have gas mileages (in miles per gallon) that are between the interval's endpoints. (Type an integer or a decimal. Do not round.) O C. It can be said that (Type an integer or a decimal. Do not round.) % of all sports cars have a gas mileage (in miles per gallon) that is between the interval's endpoints. % confidence, it can be said that the mean gas mileage of all sports cars (in miles per gallon) is between the interval's endpoints. (Type an integer or a decimal. Do not round.) O D. With O E. Neither the standard normal distribution nor the t-distribution can be used to construct the interval.
gas mileages (in miles per gallon) of 23 randomly selected sports cars are listed in the accompanying table. Assume the mileages are not normally distributed Uee the standard normal distribution or the t-distribution to construct a 90% confidence interval for the population mean. Justify your decision. If neither distribhution can be used, explain why. Interpret the results. EEE Click the icon to view the sports car gas mileages. Let a be the population standard deviation and let n be the sample size. Which distribution should be used to construct the confidence interval? be used to construct the confidence interval, since Identify the confidence interval. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. C (Round to one decimal place as needed.) O B. Neither the standard normal distribution nor the t-distribution can be used to construct the interval. Interpret the results. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. % of all random samples of 23 sports cars from the population of all sports cars will have a mean gas mileage (in miles per gallon) that is between the interval's endpoints. (Type an integer or a decimal. Do not round.) O B. With % confidence, it can be said that most sports cars in the population have gas mileages (in miles per gallon) that are between the interval's endpoints. (Type an integer or a decimal. Do not round.) O C. It can be said that (Type an integer or a decimal. Do not round.) % of all sports cars have a gas mileage (in miles per gallon) that is between the interval's endpoints. % confidence, it can be said that the mean gas mileage of all sports cars (in miles per gallon) is between the interval's endpoints. (Type an integer or a decimal. Do not round.) O D. With O E. Neither the standard normal distribution nor the t-distribution can be used to construct the interval.
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:cen mileanes (in miles per gallon) of 23 randomly selected sports cars are listed in the accompanying table. Assume the mileages are not normally distributed
Vee the standard normal distribution or the t-distribution to construct a 90% confidence interval for the population mean. Justify your decision. If neither distribution
can be used, explain why. Interpret the results.
E Click the icon to view the sports car gas mileages.
Let a be the population standard deviation and let n be the sample size. Which distribution should be used to construct the confidence interval?
be used to construct the confidence interval, since
Identify the confidence interval. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA.
(Round to one decimal place as needed.)
O B. Neither the standard normal distribution nor the t-distribution can be used to construct the interval.
Interpret the results, Select the correct choice below and, if necessary, fill in the answer box to complete your cholce.
O A. % of all random samples of 23 sports cars from the population of all sports cars will have a mean gas mileage (in miles per gallon) that is between the
interval's endpoints.
(Type an integer or a decimal. Do not round.)
O B. With % confidence, it can be said that most sports cars in the population have gas mileages (in miles per gallon) that are between the interval's
endpoints.
(Type an integer or a decimal. Do not round.)
between the interval's endpoints.
O C. It can be said that % of all sports cars have a gas mileage (in miles per gallon) that
(Type an integer or a decimal. Do not round.)
O D. With % confidence, it can be said that the mean gas mileage of all sports cars (in miles per gallon) is between the interval's endpoints.
(Type an integer or a decimal. Do not round.)
O E. Neither the standard normal distribution nor the t-distribution can be used to construct the interval.
Click to select and enter your answer(s).
Transcribed Image Text:9:56 PM Sun Apr 4
A mathxl.com
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Sports Car Gas Mileages
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