The manager of a small post office is concerned that the growing...
 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 5 
 2 32 
 3 35 
 4 19 
 5 9 
 100 
 SERVICE TIME
 (MINUTES) FREQUENCY
 1.0 12 
 1.5 21 
 2.0 36 
 2.5 19 
 3.0 7 
 3.5 5 
 100 
 Using the following random number sequence, simulate six arrivals (Hint: Use random number set from 00 to 99.)
 RN: 93, 5, 53, 20, 10, 45, 67, 55, 92, 75, 41, 46, 58, 82, 20, 97, 13, 36
 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