Project Management Professional (PMP) Exam Practice – Question1780

All the following statements are true about the grassroots estimate, EXCEPT______________


A. Its accuracy rate is from -5% to +10%
B. It is also called an engineering estimate
C. It is used primarily for Level 1 of the WBS
D. It may take months to prepare

Correct Answer: C

Explanation:

Explanation:
Estimates are categorized according to accuracy and the time to prepare them. Grassroots or engineering-type estimates are definite estimates and are prepared when detailed information about the project is available. These estimates would use the work-
package level of the WBS.