Please answer using excel and showing formulas

1. The manager of a small post office is concerned that the growing township is overloading the one- window service being offered. Sample data are collected on 100 individuals who arrive for service. Time between Frequency Service time Frequency arrivals (Minutes) (Minutes) 8 1 12 2 35 1.5 21 34 2 36 4 17 2.5 19 UI 6 3 7 Total 100 3.5 5 Total 100 Using the provided (in the Excel file) random number sequence, simulate six arrivals; estimate the average customer waiting time and the average idle time for clerks