2) Male company employees aged 21 to 26 are found to drive anaverage of 19484 km a year. The annual mileage is normallydistributed with a standard deviation of 6812 km. The company hasdecided to levy a user fee on those employees who are in the top30%. Find the yearly mileage total of those who will be charged auser fee.
3) If α = 0.06, standard deviation is s = 3.15, samplemean is x= 12.7, and n = 500, find the confidenceinterval for the population mean.
