Total Float
In Critical Path Analysis, the amount of time an activity can be delayed without delaying the overall project completion...
Formula
Float = LFT − EST − Duration
Real World
When Apple prepares an iPhone launch event, marketing video production has float (it can slip a day without delaying the keynote), whereas hardware certification sits on the critical path with zero float.
Exam Focus
State float values precisely in numbers (e.g. '3 days') and confirm critical path activities always have zero float.
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