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 ARRIVALS (MINUTES) FREQUENCY 1 15 2 38 3 28 4 14 5 5 100 SERVICE TIME (MINUTES) FREQUENCY 1.0 9 1.5 23 2.0 30 2.5 19 3.0 11 3.5 8 100 Using the following random number sequence, simulate six arrivals (Hint: Use random number set from 00 to 99.) RN: 1, 54, 13, 83, 6, 24, 15, 26, 72, 68, 48, 19, 65, 62, 8, 17, 49, 28 a. Average customer waiting time, in minutes (Round your answer to 4 decimal places.) Average customer waiting time minutes b. Average percent idle time for clerks. Average percent idle time Please explain all steps to the answers so I may understand how to solve it.