George Nanchoff owns a gas station. The cars arrive at the gas station according to the following inter-arrival time distribution. The time to service a car is given by the following service time distribution. Using the following random number sequence: 92, 44, 15, 97, 21, 80, 38, 64, 74, 08, estimate the average customer waiting time , average teller idle time and the average time a car spends in the system.
|
Interarrival times (in min.) |
P(X) |
Random Numbers |
Service time (in minutes) |
P (X) |
Random Numbers |
|
4 |
.35 |
00-34 |
2 |
.30 |
00-29 |
|
7 |
.25 |
35-59 |
4 |
.40 |
30-69 |
|
10 |
.30 |
60-89 |
6 |
.20 |
70-89 |
|
20 |
.10 |
90-99 |
8 |
.10 |
90-99 |
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