Answer Happy

QUESTION 5 /10 Day (a) Amr manages a Distribution Center. He has determined the daily requirements for part-time loading dock personnel. The distribution center operates 7 days a week, and the daily part-time staffing requirements are: M T W Requirements 6 3 Th 5 3 S Su 2 3 The minimum number of workers Amr must hire is Prepare a workforce schedule so that each will have 2 consecutive days off per week and all staffing requirements will be satisfied. Give preference to the S-Su pair in case of a tie. (Note: If there is a tie that cannot be broken by following the preference to the S-Su pair, choose the pair closest to the beginning of the considered week.) 1- 3- 5- 7- (b) The repair manager at CompuMe needs to develop a schedule for repairing eight Computers. Each job requires analysis using the same diagnostic system. The manager doesn't expect any rescheduling delays, and the jobs are to move directly to the next process after the diagnostic work has been completed. The manager has collected the following processing time and scheduling data for each repair job. Shop Time Time since Order Arrived Processing Time (days) Number of Operations Remaining (days) Job Due Date (days) 6 (days) Remaining S/RO A 10 1.25 2.5 5 B 9 2.75 5 3.5 7 C 7 2.50 7 4.0 9 D 6 3.00 6 12 4.5 E 5 2.50 5 3.0 F 4 1.75 8 2.5 3 7 G 2.25 3.0 1 3 H 2.00 5 2.5 How can you sequence these jobs if the management applies the S/RO rule? Calculate the average flow time for this sequence. End Flow Job Arrived Process. Beg. 8 6 9 F