. Consider the following three-step assembly operation with quality problems. Allresources are staffed by one employee.• The first resource has a processing time of 7 minutes per unit.• The second resource has a processing time of 6 minutes per unit.• The third resource has a processing time of 5 minutes per unit. With a 40 percentprobability, the flow unit coming out of the third resource has to be reworked. In thatcase, the operations at the second and third resources are repeated. You can assumethat (a) rework always succeeds (i.e., a unit going through the rework loop willalways work after the third resource) and (b) the processing times for units in reworkare the same as for regular units.Where in the process is the bottleneck? What is the capacity of the process?
. Consider the following three-step assembly operation with quality problems. All
resources are staffed by one employee.
• The first resource has a processing time of 7 minutes per unit.
• The second resource has a processing time of 6 minutes per unit.
• The third resource has a processing time of 5 minutes per unit. With a 40 percent
probability, the flow unit coming out of the third resource has to be reworked. In that
case, the operations at the second and third resources are repeated. You can assume
that (a) rework always succeeds (i.e., a unit going through the rework loop will
always work after the third resource) and (b) the processing times for units in rework
are the same as for regular units.
Where in the process is the bottleneck? What is the capacity of the process?
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