Unoccupied seats on flights cause avrlines to lose revenue. As an intern in the finance department for Golden Ticket Airlines, Carlos is tasked with estimating the average number of unoccupied seats per flight over the past year. To accomplish this, the records of 222 flights are randomly selected and the number of unoccupied seats is noted for each of the sampled flights. The sample mean is 18 seats and the standard deviation is 2.5 seats. Construct a 80% confidence interval for the population mean number of unoccupied seats per flight during the past year. If necessary, round results to 1 decimal places.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Unoccupied seats on flights cause avrlines to lose revenue. As an intern in the finance department for
Golden Ticket Airlines, Carlos is tasked with estimating the average number of unoccupied seats per flight
over the past year. To accomplish this, the records of 222 flights are randomly selected and the number of
unoccupied seats is noted for each of the sampled flights. The sample mean is 18 seats and the standard
deviation is 2.5 seats.
Construct a 80% confidence interval for the population mean number of unoccupied seats per flight during
the past year.
If necessary, round results to 1 decimal places.
Transcribed Image Text:Unoccupied seats on flights cause avrlines to lose revenue. As an intern in the finance department for Golden Ticket Airlines, Carlos is tasked with estimating the average number of unoccupied seats per flight over the past year. To accomplish this, the records of 222 flights are randomly selected and the number of unoccupied seats is noted for each of the sampled flights. The sample mean is 18 seats and the standard deviation is 2.5 seats. Construct a 80% confidence interval for the population mean number of unoccupied seats per flight during the past year. If necessary, round results to 1 decimal places.
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