Question 1: the following table contains information concerning four jobs that are awaiting processingat a work center.Job TimeDue DateJobA(Days)15(Days)21715161017a. Sequence the jobs using (1) First come, first served, (2) Shortest processing time, (3) Earliest duedate, and (4) Critical ratio. ASsume the list is by order of arrival.b. For each of the methods in part a, determine (1) the average job flow time, (2) the averagetardiness, and (3) the average number of jobs at the work center.c. Is one method superior to the others?

Answered: Image /qna-images/answer/a31ea7ff-2a23-4900-bc57-9bb1476bf963.jpg

Answered: a. Sequence the jobs using (1) First…

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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A Maving to another question will sae this response. Question 24 Copy of Table 10.10 A work center has the following five jobs waiting to be processed (all times are shown in days): Job Arrival Processing Due 12 29 16 11 31 13 12 25 1 8 Use the infomation in Table 10.10. What is the average flow time using the FCFS rule (Answer to 2 decimal places)? (CSLOS 1,2,3) Moving to another question will save this response.
Understand the design choices and the pros andcons of an appointment system for scheduling
Question 4: Six jobs waiting at a workstation will be processed in order, starting with the one with the shortest break time. In the table below, the time elapsed since the arrival of the works, the time remaining to the delivery and the processing time are given. According to this, create the work order and fill in the data in the relevant table.(fill in the second table in the photos)a) What is the average delay time with the generated order?b) How many hours is the average flow time?c) How many jobs will be delayed?d) How many jobs will not be delayed?
TABLE 18.21 Processing Time for Eight Projects, Displayed in the Sequence They Arrived Project P1 P2 P3 Р4 P5 P6 P7 P8 Processing time (hours) 4 1 0.5 2 3 6 1 ..... 1. Given the projects displayed in Table 18.21, if FCFS is used to sequence the jobs, what is the average flow time of the projects (in hours)? 2. Given the projects displayed in Table 18.21, if SPT is used to sequence the jobs, what is the average flow time of the projects (in hours)?
← 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 B C D E DUE DATE (HOURS HENCE) 24 8 34 14 20 DURATION (HOURS REQUIRED) 11 4 18 5 2 a) Sequence the jobs according to EDD. According to the EDD rule, the sequence of jobs should be B, D, E, A, C b) What is the average completion (flow) time? The average completion (flow) time is days (round your response to one decimal place).
12 eBook References The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: Job W X Y Z Processing Time (hrs) 4 3 2 1 Multiple Choice O If he uses the shortest processing time first priority rule to schedule these jobs, what will be the average completion time? 7.5 hours 5 hours 3 hours 2.5 hours Due (hrs from now) 2 hours 4 5 2 1
Question 32 The processing times of four jobs are given as follows: Job Processing time (minutes) A 10 B 30 C 16 D 24 Assume the jobs arrived in alphabetical order of the job name and no other job arrives in the next 70 minutes. What is the average flow time in minutes if the jobs are processed in shortest processing time (SOP) order? Group of answer choices 166 41.5 38 20.5
using johnson's rule, what is the idle time at center 2 ? job D, e, f, g center 1: 13, 23, 16, 20 center 2: 14, 13, 18, 17
The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR Job Due Date Duration (days) 103 103 214 10 205 205 223 309 309 217 11 412 219 412 517 216 15 517 Assume that all jobs arrived on day 180; today's date is 200.
QUESTION #4 Four delivery trucks are in a queue at a Tool Company with only one service bay. The trucks are identified by the sequence in which they arrived at the Company. Assume the time is 10:00 a.m. The table shows the times necessary to unload each vehicle and the periods when the commodities they contain are expected in the factory. Determine the schedules that result for each of the rules SPE, CR EDD, and FSFC. In each case compute the average tardiness, the number of tardy jobs, and mean flow time. Truck 1 2 3 4 5 Unloading Time (minutes) 23 16 39 12 30 Time Material is Due 10:15 AM 10:40 AM 10:55 AM 10:30 AM 10:40 AM
33) Workstation #1 Given the following queue of 4 jobs to be processed at Workstation #1: Job Processing Time (Days) # Days Until Due A 5 12 B 11 20 C 7 10 D 9 14 In what sequence will the jobs be completed if the DDATE rule is used? Group of answer choices a) A-C-D-B b) C-A-D-B c) A-B-C-D d) C-D-A-B 34)What is the average completion time if the FCFS rule is used? Group of answer choices a) 76 b) 72 c) 31 d) 18 e) 19 f) 56
Explain PERSONNEL SCHEDULING IN SERVICES?

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