The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were loggedas they arrived. All dates are specified as planning calendar days.Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.)JobCRJobDue DateDuration (days)103103214102052052233093092171141221941251721615517Assume that all jobs arrived on day 180; today's date is 200.

Given data; Today's day 200 Critical ratio = Time until due date Total shop time remaining for the job

Answered: The following 5 overhaul jobs are…

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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The following six jobs are to be scheduled on a single machine: Job 1 2 3 4 5 6 Processing time 130 160 210 70 140 90 (min.) a. Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number. Job Flow Time (min) 1 2 3 4 5 6 Makespan: Average flow time: b. In what order would the jobs be processed using the SPT rule? The SPT sequence is -Select---Select---Select---Select---Select- V -Select- V. Compute the average flow time after each job is completed. Round your answer to the nearest whole number. Average flow time: minutes Compare this answer with your answer to part a. The -Select- minutes minutes ✓ minimizes flow time and gets the most work done in the least amount of time.
Text Book Question 5A-9 I will report if I am not given honest help. Please answer the question fully and do not use CHAT GPT. I am struggling with these questions and am in need to get the best help to prepare for my final. So please be wise and do honest work in helping me. Thanks! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Given the project table below: a) Draw a project network from the table above b) i. What activity(s) is a burst activity? ii. What activity(s) is a merge activity? iii. What is the length of the project? iv. What is the critical path? c) Draw the Gantt chart d) Assuming there are only 10 resources available for the duration of this project, how can the schedule be best adjusted to level the resources? List the changes made e) Revise the Gantt chart to reflect this resource availability
Problem 7-13 In an initial survey designed to estimate the percentage of time air-express cargo loaders are idle, an analyst found that loaders were idle in 5 of the 45 observations. a. What is the estimated percentage of idle time? (Round your answer to 2 decimal places. Omit the "%" sign in your response.) Estimated percentage of idle time % b. Based on the initial results, approximately how many observations would you require to estimate the actual percentage of idle time to within 4 percent with a confidence of 95 percent? (Round your z value to 2 decimal places. Do not round any other Intermediate calculations. Round UP your final answer to the next whole number.) Number of observations
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).
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?
What is the average lateness of these seven jobs if they are scheduled using the earliest due date criterion? Process Time 15 7 12 8 11 10 13 OA. 19.2 OB. 17.8 O C. 18.7 OD. 16.5 Job Job 1 Job 2 Job 3 Job 4 Job 5 Job 6 Job 7 Due Date 23 15 34 16 27 19 28
Allocate the tasks to workstations taking into consideration the precedence requirements and using the LOT rule to break ties between feasible tasks.
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.
How to solve scheduling issues
Which job sequence would be used if ordered using the rule "Shortest Job First"? Group of answer choices a. 1,2,3,4 b. 4,3,1,2 c. 2,1,3,4 d. 2,3,4,1 e. 2,3,1,4
The following jobs are waiting to be processed at the same machine center. Jobs are logged as they arrive: In what sequence would the jobs be ranked according to the following decision rules: (a) FCFS, (b) EDD, (c) SPT, and (d) LPT? Alldates are specified as manufacturing planning ca.lendar days. Assumethat all jobs arrive on day 275. Which decision is best and why?
3. Eddie Irwin works in the data processing department at the local medical center. He is required to keep a weekly time card. Please fill out the time card Date Out Sun. Mon. Tues. Wed. Thur. Fri. Sat. 12/13 In 12/14 8:15am 12:30pm 12/15 8:35am 12:50pm 12/16 8:15am 12:10pm 1:15pm 8:30am 12 noon 12/17 8:25am In 12:30pm 1:10pm 1:30pm 12:45pm 1:50pm Out 4:30pm 5:10pm 5:00pm 4:20pm 5:30pm Total Hours>>> Hours

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