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:

Using the following random number sequence, simulate six arrivals; estimate the average customer waiting time and the average idle time for clerks.
RN: 08, 74, 24, 34, 45, 86, 31, 32, 45, 21, 10, 67, 60, 17, 60, 87, 74,96

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TIME BETWEEN ARRIVALS MINUTES) SERVICE TIME MINUTES) FREQUENCY FREQUENCY 1.0 1.5 2.0 2.5 3.0 3.5 12 21 36 19 35 34 17 100 100