mathxl.com STAT 3309 - Fall 16 Homework: STAT 3309 - Smalley - Homework 9 (8.1, 8.2, and 8. Score: 0 of 1 pt *8.3.25-T 7 of 10 (0 complete) Sergio Sanchez | 11/13/16 2:09 PM Save HW Score: 0%, 0 of 10 pts Question Help A national air traffic control system handled an average of 47,674 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,197 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 (Round to the nearest whole numbers.) to an upper limit of Enter your answer in the edit fields and then click Check Answer. 2 parts remaining ++ ཟུ √i Clear All S (1,1) More Check Answer ×