Question: problem 4 Job Ji J2 J3 JA Js Processing time Due date 6 33 2 13 4 6 9 23 3 31 80 4. Suppose

problem 4 problem 4 Job Ji J2 J3 JA Js Processing time Due

Job Ji J2 J3 JA Js Processing time Due date 6 33 2 13 4 6 9 23 3 31 80 4. Suppose daily production of a CONWIP Mine is nearly normally distributed with a mean of 250 pieces and a standard deviation of Sloy pieces. The WIP level of the CONWIP line is 1,250 pieces. Currently there is a release list of 1,400 pieces with an "emergency position" 150 pieces out. A new order for 100 pieces arrives. (a) Quote a lead time with 95 percent confidence if the new order is placed at the end of the release list and if it is placed in the emergency position. (b) Quote a lead time with 99 percent confidence if the new order is placed at the end of the release list and if it is placed in the emergency position. 5. Consider the jobs in the table below. Process times for all jobs are 1 hour. Changeovers between families require 4 hours. Thus, the completion time for job 1 is 5, for job 2 is 6, for job 3 is 11, and so on. Family Code Due Date Job 1 2 3 4 1 1 2 2 5 6 12 13

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