11-19 The Laurenster Corporation needs to set up an as- sembly line to produce a new...

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11-19 The Laurenster Corporation needs to set up an as- sembly line to produce a new product. The fol- lowing table describes the relationships among the activities that need to be completed for this product to be manufactured. DAYS IMMEDIATE ACTIVITY a m b PREDECESSORS A 3 6 6 B 5 8 11 A C 5 6 10 D 1 2 96 A B, C E 7 11 15 D F 7 9 14 D G 6 8 10 D H 3 4 8 F. G I 3 5 7 E, F. H (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity. (c) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total proj- ect completion time and the critical path(s). (d) Determine the probability that the project be completed in 34 days or less. (e) Determine the probability that the project take longer than 29 days. will will 11-19 The Laurenster Corporation needs to set up an as- sembly line to produce a new product. The fol- lowing table describes the relationships among the activities that need to be completed for this product to be manufactured. DAYS IMMEDIATE ACTIVITY a m b PREDECESSORS A 3 6 6 B 5 8 11 A C 5 6 10 D 1 2 96 A B, C E 7 11 15 D F 7 9 14 D G 6 8 10 D H 3 4 8 F. G I 3 5 7 E, F. H (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity. (c) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total proj- ect completion time and the critical path(s). (d) Determine the probability that the project be completed in 34 days or less. (e) Determine the probability that the project take longer than 29 days. will will