The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.

4 8 9 10 1 1 1 8 8 8 8 7 6

7 8 8 10 9 1 8 7 8 7 9 8 10

6 4 8 1 1 8 8 7 10 9 7 1 7

5 8 4 1 9 8 9 1 1 7 7

Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.

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