A.What is the service rate in jobs per hour for each design? b. For the service rates in part (a), what design appears to provide the best oR fastest service rate?
Jobs arrive randomly at a particular assembly plant; assume that the arrival rate is five jobs per hour. Service times (in minutes per job) do not follow the exponential probability distribution. Two proposed designs for the plant’s assembly operation are shown:
| SERVICE TIME | SERVICE TIME | |
|
DESIGN |
MEAN | STANDARD DEVIATION |
| A | 5.5 | 2.75 |
| B | 4 | 0.6 |
A.What is the service rate in jobs per hour for each design?
b. For the service rates in part (a), what design appears to provide the best oR fastest service rate?
c. Use the M/G/1 model to compute the operating characteristics for each design.
i. The average number of customers in the waiting line
ii. The average number of customers in the system.
iii. The average time a customer spends in the waiting line (in hours)
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