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The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (c) below. 68.22 79.09 69.71 84.91 80.91 85.76 100.24 97.41 O Click the icon to view the table critical t-values. (a) Determine a point estimate for the population mean travel tax A point estimate for the population mean travel tax is $ 83.28 (Round to two decimal places as needed.) (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. Select the correct choice below and fill in the answer boxes o complete your choice. (Round to two decimal places as needed.) O A One can be % confident that the all cities have a travel tax between $ and $ O B. There is a % probability that the mean travel tax for all cities is between $ and $ OC. One can be % confident that the mean travel tax for all cities is between $ and $ O D. The travel tax is between $ and $ for % of all cities.

The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (c) below. 68.22 79.09 69.71 84.91 80.91 85.76 100.24 97.41 O Click the icon to view the table critical t-values. (a) Determine a point estimate for the population mean travel tax A point estimate for the population mean travel tax is $ 83.28 (Round to two decimal places as needed.) (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. Select the correct choice below and fill in the answer boxes o complete your choice. (Round to two decimal places as needed.) O A One can be % confident that the all cities have a travel tax between $ and $ O B. There is a % probability that the mean travel tax for all cities is between $ and $ OC. One can be % confident that the mean travel tax for all cities is between $ and $ O D. The travel tax is between $ and $ for % of all cities.

MATLAB: An Introduction with Applications
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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The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (c) below. 68.22 79.09 69.71 84.91 80.91 85.76 100.24 97.41 O Click the icon to view the table of critical t-values. (a) Determine a point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $ 83.28 (Round to two decimal places as needed.) (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) O A. One can be % confident that the all cities have a travel tax between $ and $. O B. There is a % probability that the mean travel tax for all cities is between $ andS. Oc. One can be % confident that the mean travel tax for all cities is between $ and $ O D. The travel tax is between $ and $ for % of all cities.
Transcribed Image Text:The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (c) below. 68.22 79.09 69.71 84.91 80.91 85.76 100.24 97.41 O Click the icon to view the table of critical t-values. (a) Determine a point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $ 83.28 (Round to two decimal places as needed.) (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) O A. One can be % confident that the all cities have a travel tax between $ and $. O B. There is a % probability that the mean travel tax for all cities is between $ andS. Oc. One can be % confident that the mean travel tax for all cities is between $ and $ O D. The travel tax is between $ and $ for % of all cities.
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