Unoccupied seats on a flight causes airlines to lose revenue . Suppose a large airline wants to estimate its mean number of unoccupied seats per flight over the past year. To accomplish this, the records of ab flights are randomly selected and the number of unoccupied seats is noted for each of the sampled flights. the sample mean is 12.6 seats and the sample Standard deviation is 4. 1 seats a construct a 90% confidence interval for the population mean. b Is It possible that the population mean could be B seats ? -justify the