Jobs A, B, C, and D are in queue at work center 10 before being completed on work center 20. The table below pertains tothe jobs and the work centers: (Job, Process time (day) at WC 10, process time (day) at WC 20, Due Date, arriving order).Today is day 1.JobProcess TimeABCDWork Center Work Center102034333541Due DateArrivingorder82418152143DIf the jobs are scheduled by the shortest process time (SPT) rule, the total idle time (total of both WCs) during day 1through day end (last job finishing date) is:Hint: you need to first determine the job's operation order by SPT rule. Then in each work center, you need to schedule eachjob's start date and end date on both WCs.1211109None of them

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Answered: Jobs A, B, C, and D are in queue at…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Describe scheduling needs in high-volume systems.
Currently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day 190. Customer Time Since Order Arrived (days ago) Processing Time (days) Due Date (days from now) Upper AA 6 18 66 Upper BB 3 24 58 Upper CC 2 32 100 Upper DD 10 22 26 Upper EE 8 12 50 a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due. Part 2 Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is: Sequence 1 2 3 4 5 Customer D E A B C Part 3 Using…
K Courtney is a programmer receiving requests each week to analyze a large data base. Five jobs were on her desk Monday morning, and she must decide in what order to write the code. Assume that all jobs arrived today (day 1 and hour 1), in the order shown below. Courtney has assigned the number of hours required to do the coding as noted. Note that Courtney works an 8-hour day and today is a work day. JOB A C D E DUE DATE (HOURS HENCE) 10 16 14 36 26 DURATION (HOURS REQUIRED) 6 3758 a) Sequence the jobs according to EDD. According to the EDD rule, the sequence of jobs should be A, C, B, E, D b) What is the average completion (flow) time? The average completion (flow) time is days (round your response to one decimal place).
Courtney is a programmer receiving requests each week to analyze a large data base. Five jobs were on her desk Monday morning, and she must decide in what order to write the code. Assume that all jobs arrived today (day 1 and hour 1), in the order shown below. Courtney has assigned the number of hours required to do the coding as noted. Note that Courtney works an 8-hour day and today is a work day. DURATION (HOURS REQUIRED) 14 7 2 JOB ABCDE DUE DATE (HOURS HENCE) 36 14 16 6 26 6 10 a) Sequence the jobs according to EDD. According to the EDD rule, the sequence of jobs should be D, B, C, E, A. b) What is the average completion (flow) time? The average completion (flow) time is 19.6 days (round your response to one decimal place). c) What is the average job lateness? The average job lateness is 0.6 days (round your response to one decimal place). d) What is the average number of jobs in the system? The average number of jobs in the system is jobs (round your response to one decimal…
The following jobs are waiting to be processed atJeremy LaMontagne’s machine center. Today is day 250. Using the critical ratio scheduling rule, in what sequencewould the jobs be processed?
Given the following demand for waiters and waitressesat S. Ghosh Bar and Gri ll, determine the minimum waitstaff needed with a policy of 2 consecutive days off.
A new surgical facility called Cut & Sew has opened in the United States. The branches of the facility are spread throughout the country. These are job shops that handle a variety of outpatient surgical procedures. The process of the facility is set up in a way that one doctor will cut and another will sew. The data regarding the patients and the estimated time for cutting and sewing for each patient are given in the following table: Patient A Cut Time (hours) 2.3 2.5 Sew Time (hours) 2.8 3.0 1.5 1.0 2.8 IB 2.0 0.6 3.8 If we apply the following sequence B-C-D-A-E, the makespan is place). Type your precise answer (one decimal Your Answer: Answer
5:43 PMⒸ O bartleby.com/questions-and-answers/ bartleby Q SEARCH ASK LIVE TUTORING Expert Solution b NN Want to see the full answer? Check out a sample Q&A here :D Business » Operations Managem... » Consider a single server queuing syst... Question Consider a single server queuing system. The system starts at time t=0. The arrival time of customers is: 0.8, 1.4, 2.7, 3.2, 3.8, 8.0, 8.6, 9.0, 9.2, and 9.8. The departure times are: 2.2, 4.0, 5.0, 6.2, and 10.0. Time is in minutes. The first in first out queuing discipline is followed. Simulate this system for six clients and estimate: 21¹4 i) The average delay in the waiting line ii) The average number of clients in the waiting line at any time t iii) The expected utilization of server. SEE SOLUTION VX MAT : +
Five jobs are ready for processing at time zero through a workstation. The details of the processing time and the due date of completion is provided in the following table. Job A B Processing Time (days) I5 Due Date 11 6 3 16 19 10 D E 15 Using the earliest due date (EDD) rule, the average lateness for the five jobs is decimal place. Round your answer to one Your Answer: Answer
2. A small restaurant is creating a schedule for its wait staff to meet its expected weekly demand. The staff requirements have been determined to be: day monday tuesday wednesday thursday friday saturday sunday 1 staff 3. 3. The restaurant would like its staff to have two consecutive days off, with a preference given to Saturday and Sunday, or one of those two days if the pair is not possible. (a) Create a schedule to meet the staff requirements. How many wait staff are needed? (b) The restaurant believes regular maintenance of the kitchen is important. The kitchen staff would like 1 extra worker whenever they perform main- tenance. On which days of the week should maintenance be scheduled? (c) The restaurant wants to create a 'kid's day' (young children eat for free) to attract customers on days with low demand. Given your staff schedule, which day is best to implement this promotion.
6. (Ch10) Job A B с D E F Process Time (days) 2 8 4 10 5 12 Due Time (days) 7 16 4 17 15 18 Days Since Arrival 12 9 8 5 3 2 Use the information in the preceding table and sequence the six jobs using FCFS and EDD. The jobs are listed in the order of their arrival. Calculate the average flow time and average past due. It is now time zero.
Given the projects displayed in Table 18.21, if SPT is used to sequence the jobs, what isthe average inventory of the projects (in projects)?

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