Score: of 4 pts 50 % , 8 8.3.25-T Question He A national air traffic control sys

Question

Score: of 4 pts 50 % , 8 8.3.25-T Question He A national air traffic control system handled an average of 47,592 flights during 29 randomly selected days in a recent year. The standard deviation for this sample is 6,162 flights per day. Complete parts a through c below. a. Construct a 99% confidence interval to estimate the average number of flights per day handled by the system. The 99% confidence interval to estimate the average number of fights per day handled by he system is from a lower limit of toan upper limit o Round to the nearest whole numbers.)

Explanation / Answer

a) 99% confidence interval

One-Sample T

N   Mean StDev SE Mean      99% CI
29 47592   6162     1144 (44430, 50754)

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