Concept explainers
(a)
Interpretation:The sequence for the production of the ice-cream flavors for the minimization of the mean flow time for all flavors is to be determined.
Concept Introduction:
Shortest processing time rule is used for the minimization of mean time flow of the project and hence it is used to minimize the time of mean flow of a process.
Tardiness is used to calculate the difference between the actual completion time and the required due date of the job. Any tardy jobs get completed after the due date of the job.
(b)
Interpretation:The optimal sequence for the production of the ice-cream flavors for the minimization of the number of flavors late is to be determined.
Concept Introduction:
Shortest processing time rule is used for the minimization of mean time flow of the project and hence it is used to minimize the time of mean flow of a process.
Tardiness is used to calculate the difference between the actual completion time and the required due date of the job. Any tardy jobs get completed after the due date of the job.
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Production and Operations Analysis, Seventh Edition
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