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. 68.09 79.99 70.42 83.11 79.33 85.94 101.02 97.39 D Click the icon 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 $ 83.16 (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 mean travel tax for all cities is between $ and $. O B. There is a % probability that the mean travel tax for all cities is between $ and $. O C. One can be % confident that the all cities have a travel tax between $ and $ O D. The travel tax is between $ and $ for % of all cities.

MATLAB: An Introduction with Applications
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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.
68.09
79.99
70.42 83.11
79.33
85.94
101.02
97.39 O
E Click the icon to view the table of critical t-values.
(a) Determine
point estimate for the population mean travel tax.
A point estimate for the population mean travel tax is $ 83.16
(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 mean travel tax for all cities is between $ and $.
O B. There is a % probability that the mean travel tax for all cities is between $ and $.
O C. One can be % confident that the all cities have a travel tax between $ and $
O D. The travel tax is between $ and $ for % of all cities.
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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. 68.09 79.99 70.42 83.11 79.33 85.94 101.02 97.39 O E Click the icon to view the table of critical t-values. (a) Determine point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $ 83.16 (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 mean travel tax for all cities is between $ and $. O B. There is a % probability that the mean travel tax for all cities is between $ and $. O C. One can be % confident that the all cities have a travel tax between $ and $ O D. The travel tax is between $ and $ for % of all cities. Clear all Check answer View an example Get more help - Help me solve this Search or type URL & %24 %23 7 2 3 T Y U Q K F G S'
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