The correct answer is Day 8. To calculate the Early Finish (EF) of an activity, we use the formula: EF = ES + Duration - 1. In this case, we have ES = 5 and Duration = 4. Plugging these values into the formula, we get:
EF = 5 + 4 - 1 = 8
It's important to note that we subtract 1 from the result because the activity starts on Day 5 and ends on Day 8, which is a total of 4 days. If we didn't subtract 1, we would incorrectly count 5 days instead of 4.
The other answers are incorrect because:
Day 9 would result from not subtracting 1 in the formula (5 + 4 = 9).
Day 7 would be the result if the duration was 3 days instead of 4.
Day 10 is simply incorrect and doesn't follow any logical calculation.
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What is Early Start (ES) in project management?
Why do we subtract 1 in the EF calculation?
What other terms are important to understand when discussing the schedule in project management?
This question's topic:
PMI Project Management Professional (PMP) /
Process
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