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. 68.48 79.88 69.17 84.87 80.59 87 41 100 62 99.59 Click the icon to view the table of critical t-values. (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) OA. One can be % confident that the mean travel tax for all cities is between S and S The travel tax is between S and S for 1024072 ADANA of A 119 of One can be confident that the all e a travel tax between Se D. There is a % probability that the mean tax for all cities is between (e) What would you recommend to a researcher who wants to increase the p CB of all cities. and s

A First Course in Probability (10th Edition)
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Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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.
68.48 79.88 69.17 84.87 80.59
87.41
100 62 99.59
Click the icon to view the table of critical t-values.
(b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip.
da de declar
Select the correct choice below and fill in the answer boxes to complete your choice!
(Round to two decimal places as needed. )rende
OA
One can be % confident that the mean travel tax for all cities is between S
B. The travel tax is between S
and see BREM
for % of all cities
One can be
and s
confident that the all cities have a travel tax between Sa
OD. There is a % probability that the mean travel tax for all citie
(e) What would you recommend to a researcher who wants to increase the precision of the inte
es is between
vel but
and S
and s
additional
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. 68.48 79.88 69.17 84.87 80.59 87.41 100 62 99.59 Click the icon to view the table of critical t-values. (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. da de declar Select the correct choice below and fill in the answer boxes to complete your choice! (Round to two decimal places as needed. )rende OA One can be % confident that the mean travel tax for all cities is between S B. The travel tax is between S and see BREM for % of all cities One can be and s confident that the all cities have a travel tax between Sa OD. There is a % probability that the mean travel tax for all citie (e) What would you recommend to a researcher who wants to increase the precision of the inte es is between vel but and S and s additional
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