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Exam PMI-SP topic 1 question 21 discussion

Actual exam question from PMI's PMI-SP
Question #: 21
Topic #: 1
[All PMI-SP Questions]

You are the project manager of the NHQ Project. You have created the project network diagram as shown in the figure:

You are concerned about a risk on Activity G that if it happens will delay the project by four days. You would like to utilize float for Activity G. How much float is available for Activity G to help offset the risk event?

  • A. Five days
  • B. Four days
  • C. Eleven days
  • D. Zero
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Suggested Answer: D 🗳️
There is no float available for Activity G because it is on the critical path. Float or total float (TF) is the total amount of time that a schedule activity may be delayed from its early start date without delaying the project finish date, or violating a schedule constraint. It is calculated by using the critical path method technique and determining the difference between the early finish dates and late finish dates.
Incorrect Answers:
A, B, C: There is no float available for Activity G because it is on the critical path.

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