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 68.47 79.47 69 62 84 94 79.95 87 78 101 81 97 68 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 $ 83.72 (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 S O B. One can be % confident that the all cities have a travel tax between $ and $ O C. The travel tax is between $ and $ for % of all cities O D. There is a % probability that the mean travel tax for all cities is between $ and $