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# Allegiant Airlines charges a mean base fare of \$85. In addition, the airline charges for making...

Allegiant Airlines charges a mean base fare of \$85. In addition, the airline charges for making a reservation on its website, checking bags, and inflight beverages. These additional charges average \$36 per passenger. Suppose a random sample of 80 passengers is taken to determine the total cost of their flight on Allegiant Airlines. The population standard deviation of total flight cost is known to be \$38. Use z-table. a. What is the population mean cost per flight? b. What is the probability the sample mean will be within \$10 of the population mean cost per flight (to 4 decimals)? c. What is the probability the sample mean will be within \$5 of the population mean cost per flight (to 4 decimals)?

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