Your project involves upgrading the nationwide computer network for the company.

posted 10months ago by Natalie2000
© Copyright: Project Management Professional (PMP) Study Guide by Kim Heldman, Sybex Inc., Alameda, CA, USA, 2002, page 280, question 8
Critical Path | PERT

You are a project manager for Move It Now trucking company. Your company specializes in moving household goods across the city or across the country. Your project involves upgrading the nationwide computer network for the company. Your lead engineer has given you the following estimates for a critical path activity: 60 days most likely, 72 days pessimistic, 48 days optimistic. What is the expected value, or weighted average?

A. 54
B. 66
C. 60
D. 30

george (8¼months ago):
Expected value equals to:

E = (ML * 4 + P + O)/6

In the example above, E equals to 60 days. The answer is C.

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