General Studies · PERT and CPM
Evaluate the following statements about PERT time estimates: 1. The Expected Time formula TE = O + 4M + P6 assigns the highest weight to the Most Likely estimate (M). 2. Standard deviation in PERT is calculated as σ = P − O6, measuring the spread of activity duration uncertainty. 3. A zero value of slack in PERT indicates that the project is behind schedule.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statements 1 and 2 are true; Statement 3 is false✓
- 2Only Statement 1 is true; Statements 2 and 3 are false
- 3All three statements are true
- 4Statements 2 and 3 are true; Statement 1 is false
Correct answer
Statements 1 and 2 are true; Statement 3 is false
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