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Unhealthy Days in Cities The number of unhealthy days based on the AQI (Air Quality Index) for a random sample of metropolitan areas is shown.

Unhealthy Days in CitiesThe number of unhealthy days based on the AQI (Air Quality Index) for a random sample of metropolitan areas is shown. Construct an99%

confidence interval based on the data. Assume the variable is normally distributed. Use a graphing calculator and round the answers to at least one decimal place.

5

6

50

5

27

10

15

24

32

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