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Estimate the average number of flights

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Reference no: EM131659006

A national air traffic control system handled an average of 47,807 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,283 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 flights per day handled by the system is from a lower limit of nothing to an upper limit of nothing.

?(Round to the nearest whole? numbers.)

Reference no: EM131659006

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