The following list of jobs in a critical department includes estimates of their
ID: 449680 • Letter: T
Question
The following list of jobs in a critical department includes estimates of their required times:?
Use the shortest operation time rule to schedule these jobs. What is the mean flow time? (Round your answer to 3 decimal places.)
The boss does not like the schedule in a. Jobs G and E must be done first, for obvious reasons. (They are already late.) Reschedule the jobs by assigning G and E first and second, respectively, and then assigning the remaining jobs using the shortest operation time rule. What is the new mean flow time?(Round your answer to 3 decimal places.)
days
The following list of jobs in a critical department includes estimates of their required times:?
The following list of jobs in a critical department includes estimates of their required times:- DAYS TO REQUIRED DELIVERY JOB TIME (DAYS) PROMISE SLACK 10 13 12 -2(late) 14 10 4 -4(late) 15 13 a. Use the shortest operation time rule to schedule these jobs. What is the mean flow time? (Round your answer to 3 decimal places.) Mean flow time 20.75 days are already late.) Reschedule the jobs by assigning G and E first and second, respectively, and then assigning the remaining jobs using the shortest operation time rule. What is the new mean flow time? Round your answer to 3 decimal places.) b. The boss does not like the schedule in a. Jobs G and E must be done first, for obvious reasons. (They days New mean flow timeExplanation / Answer
Answer: JOB REQUIRED DAYS TO DELIVERY PROMISE SLACK TIME (DAYS) Flow time A 9 11 2 9 B 3 10 7 12 C 6 9 3 18 D 1 13 12 19 E 8 2 (late) 10 27 F 4 14 10 31 G 7 4 (late) 11 38 H 13 15 2 51 The schedule is = DBFCGEAH Total flow time = 205 days Mean flow time = 25.625 days if the G and E are done first then: new schedule: Required time Flow time G 7 7 E 8 15 D 1 16 B 3 19 F 4 23 C 6 29 A 9 38 H 13 51 Total flow time = 198 Mean flow time = 24.75
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