Twelve tasks, with times and precedence requirements as shown in the following table, are to be assigned to workstations that have a fixed machine cycle time of 1.5 minutes. Two heuristic rules will be tried: (1) greatest positional weight, and (2) greatest number of following tasks.
|In each case, the tiebreaker will be shortest task time.|
|b.||Assign tasks to stations under each of the two rules.|
|(1) greatest positional weight (shortest task time as tiebreaker)|
|(2) greatest number of following tasks (shortest task time as tiebreaker)|
Compute the percentage of idle time for each rule. (Round your answer to 2 decimal places. Omit the “%” sign in your response.)
|Percentage of idle time||[removed] %|
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