The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received:   Job processing time hrs due from now W 4 4 X 3 5 Y 2 2 Z 1 1   If he uses the earliest due date first priority rule to schedule these jobs, what will be the average job tardiness?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
Problem 59P
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The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received:

 

Job processing time hrs due from now
W 4 4
X 3 5
Y 2 2
Z 1 1

 

If he uses the earliest due date first priority rule to schedule these jobs, what will be the average job tardiness?

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