There are painting jobs awaiting at a paint shop. Their processing times and due dates are shown in the table. The firm wants to determine the sequence of jobs according to shortest processing time (SPT). Jobs are assigned a letter in the order day arrived. What is the average job lateness? Today is day 1 and work begins today. (Round your final answer to two decimal places. Do not enter any units. Only enter a number

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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Please walk me through each step and the reasoning behind the step I don't understand
Job Processing time (Days) Job Due Date (Days)
A
4
11
16
22
7
15
15
20
3
4
O
E
There are painting jobs awaiting at a paint shop. Their
processing times and due dates are shown in the table. The
firm wants to determine the sequence of jobs according to
shortest processing time (SPT). Jobs are assigned a letter in the
order day arrived. What is the average job lateness? Today is
day 1 and work begins today. (Round your final answer to two
decimal places. Do not enter any units. Only enter a number
without any units. (c) orsdemir. Copyrighted content.)
Transcribed Image Text:Job Processing time (Days) Job Due Date (Days) A 4 11 16 22 7 15 15 20 3 4 O E There are painting jobs awaiting at a paint shop. Their processing times and due dates are shown in the table. The firm wants to determine the sequence of jobs according to shortest processing time (SPT). Jobs are assigned a letter in the order day arrived. What is the average job lateness? Today is day 1 and work begins today. (Round your final answer to two decimal places. Do not enter any units. Only enter a number without any units. (c) orsdemir. Copyrighted content.)
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That's not the anwser I'm even more confused because the anwser to that question is processed order E, A, C, D, B. And average job lateness is 6.4

i tried anwsering on my own before you finished 

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Correct Answers
27.6
6.4 (with margin: 1)
The jobs will be processed in the following order: ['E', 'A', 'C',
'D', 'B']
Transcribed Image Text:You Answered Correct Answers 27.6 6.4 (with margin: 1) The jobs will be processed in the following order: ['E', 'A', 'C', 'D', 'B']
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