SIC oter 7 Assignment Saved 2 Assume that the hourly cost to operate a commercial airplane follows the normal distribution with a mean of $5.870 per hour and a standard deviation of $417. Use ADpendix B.3 What is the operating cost for the lowest 5 % of the airplanes? (Round your z value to 2 decimal places and finel answer to the nearest whole dollar.) ts Operating cost eBook ferences Mc Graw Next > Prev 2 of 20