PMI Scheduling Professional (PMI-SP) — Question 34

You have created the project network diagram for the ABC project. You are exploring total float and free float for that project. Martin, a project team member, wants to know the difference between total float and free float. What is the difference between total float and free float?

Answer options

• A. Total float is the amount of time an activity can be delayed without delaying any project successors, whereas free float is the amount of time an activity can be delayed without delaying the project completion date.
• B. Total float is the amount of time an activity can be delayed without delaying the project completion date, whereas free float is the amount of time an activity can be delayed without delaying any project successors.
• C. Total float is the amount of time an activity can be delayed without delaying the project completion date, whereas free float is the amount of time an activity can be delayed without delaying any project predecessors.
• D. Total float is the amount of time a non-critical activity can be delayed without delaying any project successors, whereas free float is the amount of time an

Correct answer: B

Explanation

The correct answer is B because total float refers to the time an activity can be delayed without affecting the overall project completion date, whereas free float pertains to the time an activity can be delayed without impacting its successors. Option A incorrectly defines free float, while options C and D contain inaccuracies regarding the definitions of total and free float.