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. 68.27 79.47 70.54 84.49 80.14 86.23 101.52 99.74 D Click the icon to view the table of critical t-values. (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 $ and $ O C. The travel tax is between $ and $ for % of all cities. D. One can be 95 % confident that the mean travel tax for all cities is between $ and $
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. 68.27 79.47 70.54 84.49 80.14 86.23 101.52 99.74 D Click the icon to view the table of critical t-values. (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 $ and $ O C. The travel tax is between $ and $ for % of all cities. D. One can be 95 % confident that the mean travel tax for all cities is between $ and $
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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.
68.27
79.47
70.54
84.49
80.14
86.23
101.52
99.74
Click the icon to view the table of critical t-values.
(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 $
B. There is a
% probability that the mean travel tax for all cities is between $
and $
O C. The travel tax is between $
and $
for
% of all cities.
D.
One can be 95 % confident that the mean travel tax for all cities is between $
and $
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