In CPM network analysis, total float of an activity is defined as:
AMaximum time an activity can be delayed without delaying project completion
BTime by which an activity can be delayed without affecting successor's early start
CDifference between optimistic and pessimistic time estimates
DExtra time allocated for resource smoothing
Explanation
Total Float = Latest Start – Earliest Start = Latest Finish – Earliest Finish. It represents the maximum allowable delay in an activity without impacting the final project completion date. Activities on the critical path have zero total float.
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