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 normaly distributed A boxplot indicates there are no outiers Complete parts (a) through (c) below 68 23 78.27 67 71 83 72 80 87 06 42 100.45 97.77a (a) Determine a point estimate for the population mean travel tax A point estimate for the population mean travel tax is S (Round to two decimal places as needed) (b) Construct and interpret a 90% confidence interval for the mean tax paid for a three-day business trip Select the correct choice below and fil in the answer boxes to complete your choice (Round to two decimal places as needed) OA One can be % confident that all cities have a travel tax between S and $ OB One can be %confident that the mean travel tax for all cities is behveen S and $ OC. There is a % probability that the mean fravel ta for all cities is betveen S and 5 OD The travel ta is between s % of all cites and 5 for