In: Statistics and Probability
Problem 15-33 (Algorithmic)
Kolkmeyer Manufacturing Company is considering adding two
machines to its manufacturing operation. This...
Problem 15-33 (Algorithmic)
Kolkmeyer Manufacturing Company is considering adding two
machines to its manufacturing operation. This addition will bring
the number of machines to ten. The president of Kolkmeyer asked for
a study of the need to add a second employee to the repair
operation. The arrival rate is 0.07 machines per hour for each
machine, and the service rate for each individual assigned to the
repair operation is 0.6 machines per hour.
- Compute the operating characteristics if the company retains
the single-employee repair operation. If required, round your
answers to four decimal places.
|
P0 |
= |
|
Lq |
= |
|
L |
= |
|
Wq |
= hours |
|
W |
= hours |
- Compute the operating characteristics if a second employee is
added to the machine repair operation. If required, round your
answers to four decimal places.
|
P0 |
= |
|
Lq |
= |
|
L |
= |
|
Wq |
= hours |
|
W |
= hours |
- Each employee is paid $30 per hour. Machine downtime is valued
at $80 per hour. From an economic point of view, should one or two
employees handle the machine repair operation? Explain. If
required, round your answers to two decimal places.
Cost of one employee system: $
Cost of two employees system: $
From an economic point of view, should handle the
machine repair operation.