Jack, the owner of Jack's Electronic Repair, currently has five jobs scheduled. They are shown in the table below, listed in the order they were received: Job Processing Time (hours) Due (hours) 3 1. 1. 4 9. Y. 2. 3. 7. Make-span = Total processing time Total flow time of jobs Make span Average WIP - tjack uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average WIP in the shop today? 2 jobs 2.33 jobs 24 jobs 2.67 yobs sqole

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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QUESTION 3
Jack, the owner of Jack's Electronic Repair, currently has five jobs scheduled. They are shown in the table below, listed in the order they
were received:
Job Processing Time (hours) Due (hours)
V
3.
1.
4.
Y.
2.
7.
Make-span
= Total processing time
Total flow time of jobs
Make span
Average WIP =
If jack uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average WIP in the shop today?
2 jobs
2.33 jobs
2.4 jobs
2.67 jobs
3 jobs
Transcribed Image Text:QUESTION 3 Jack, the owner of Jack's Electronic Repair, currently has five jobs scheduled. They are shown in the table below, listed in the order they were received: Job Processing Time (hours) Due (hours) V 3. 1. 4. Y. 2. 7. Make-span = Total processing time Total flow time of jobs Make span Average WIP = If jack uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average WIP in the shop today? 2 jobs 2.33 jobs 2.4 jobs 2.67 jobs 3 jobs
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