Question: Problem 3 A dress-making operation is being designed as an assembly line. The table below shows the tasks that need to be performed their task

Problem 3 A dress-making operation is being designed as an assembly line. The table below shows the tasks that need to be performed their task times, and preceding tasks. Description Tasks Immediate Predecessor Task Time (in seconds) 30 40 A B 20 D OO Cut dress body Cut sleeves Cut collar Sew dress body Sew sleeves to dress Sew collar to dress Hem dress Package dress NONE NONE NONE A BD CD D,E,F G E 100 25 50 50 F G 90 H a. Draw a precedence diagram that shows the precedence relationships among tasks for this assembly operation b. If 240 dressers are to be assembled in a 8-hour work day, what is the cycle time? c. What is the minimum number of workstations required to balance this assembly line? d. Assign tasks to workstations using the most-following-tasks rule as the primary rule and the ranked-positional weight rule as the secondary (breaking tie) rule. c. Compute the balance efficiency and percent delay (percent idle time)

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