Courtney is a programmer receiving requests each week to analyze a large data base. Five jobs were on her deskMonday morning, and she must decide in what order to write the code. Assume that all jobs arrived today (day 1 andhour 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.JOBDUE DATE (HOURSHENCE)1836102214Ea) Sequence the jobs according to EDD.According to the EDD rule, the sequence of jobs should beb) What is the average completion (flow) time?The average completion (flow) time isc) What is the average job lateness?The average job lateness isd) What is the average number of jobs in the system?The average number of jobs in the system isplace).DURATION (HOURSREQUIRED)319495days (round your response to one decimal place)days (round your response to one decimal place).jobs (round your response to one decimal

Jobs arranged from earliest to latest, in terms of due date jobdue dateC10E14A18D22B36

Answered: Courtney is a programmer receiving…

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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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. Due date Duration (hours Job (hours hence) required) A 8. 16 24 10 D 32 16 E 12 6 In what sequence would the jobs be ranked according to the following decision rules: FCFS, EDD, SPT, LPT? According to the FCFS rule, the sequence of jobs should be According to the EDD rule, the sequence of jobs should be According to the SPT rule, the sequence of jobs should be According to the LPT rule, the sequence of jobs should be Construct the table of measures of effectiveness for each rule (round your responses to one decimal place). Average number of jobs in system Average Flow Time Average Lateness…
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…
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 JOB k A BUD C E DUE DATE (HOURS HENCE) 10 16 14 36 26 REQUIRED) 6 3 7 15 8 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).
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) 17 JOB A B C D E DUE DATE (HOURS HENCE) 36 22 18 14 8 a) Sequence the jobs according to EDD. According to the EDD rule, the sequence of jobs should be E, D, C, B, A b) What is the average completion (flow) time? The average completion (flow) time is c) What is the average job lateness? The average job lateness is 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 place). days (round your response to one decimal place). days (round your response to one decimal place). 9 2 6 5
Dan's Auto Detailing business performs two major activities: exterior cleanup and interior detailing. Based on the size of car and condition, time estimates for six cars on Monday morning are as shown in the accompanying table. Car Number 1 5 6 Exterior Interior 55 75 4 65 35 50 60 45 90 35 40 a. Sequence the cars so that all exterior cleanup is done first and total completion time is minimized. The sequence is -Select-- -Select- -Select- -Select- -Select-- -Select- 2 3 80 20
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.
Raquel is concerned with effi ciency. She believes it isprobably more effi cient to use SPT (shortest processing time) asher priority rule.(a) Develop a sequence using SPT based on processing timefor preparing the area.(b) Calculate the makespan, the mean job fl ow time, and theaverage number of jobs in the system.
a) Using the FCFS (first come, first served) decision rule for sequencing the jobs, the order is (assume that jobs came in the order in which they are listed in the table): Sequence 1 2 3 4 5 Job A B C E The average tardiness (job lateness) for the sequence developed using the FCFS rule = days (round your response to two decimal places) The following jobs are waiting to be processed at the same machine center. Jobs are logged as they arrive: Job A B C E Due Date 315 313 312 325 314 Duration (days) 3 8 16 40 5 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrive on day 275. Assume each job starts at the beginning of the day and finishes at the end of the day (a job that begins on day 275 and takes 8 days will finish on day 282, and the next job begins in the morning of day 283). Compute all times based on initiating work on day 275.
At the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day 1 (today, which is a work day). All of the jobs are due at various times today. Your job is to evaluate four common sequencing rules. JOB DUE (IN HOURS) DURATION (HOURS REQUIRED) A 8 (this job is due in 8 hours) 1.65 B 5.5 (this job is due in 5.5 hours) 1.20 C 4.5 (this job is due after lunch in 4.5 hours) 0.85 D 6 (this job is due in 6…
Courtney is a programmer receiving requests each week to analyze a large database. Five jobs were on her desk Monday morning, and she must decide in what order to write thecode. Assume that a ll jobs arrived today (day I and hour I) 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 workday. a) Sequence the jobs according to EDD.b) What is the average completion (flow) time?c) What is the average job lateness?d) What is the average number of jobs in the system?
The following jobs are waiting to be processed at a small machine center; JOB 10 20 30 40 50 days (round your response to one decimal place). DUE DATE 260 254 260 265 275 days (round your response to one decimal place). DURATION (DAYS) All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday) in the order shown but are not scheduled to begin until day 201 (today). a) Sequence the jobs according to LPT. According to the LPT rule, the sequence of jobs should be 50, 20, 10, 30, 40 b) What is the average completion (flow) time? The average completion (flow) time is c) What is the average job lateness? The average job lateness is 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 place). 18 22 14 4 32

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