PERT Question

Submitted by rezzo on Mon, 07/22/2013 - 06:22

Hi Guys,

Please help me how to calcuate the answer for this question. thanks!

 

You are the PM for a construction company. Your firm has been contracted to complete the construction of a 10 storey office building. This project will use three point estimates to calculates for activity duration. You have the following estimates for task A (creating the foundation)

What is the average duration estimate based on the following three point estimates?

Pessismistic= 100 days
Optimistic= 40 days
Most likely= 65 days

A. 65
B. 12.3
c. 248.6
D. 68.33
E. 151.4

Forums: 
PMP / CAPM exam Question bank
  • Log in to post comments
  • 637 reads

humanbeing2001

Mon, 07/22/2013 - 10:48

none of the above.

It would be 66.67

saurabhjoshi81

Mon, 07/22/2013 - 12:33

Three point estimates are of 2 types:

1. Simple Average

2. PERT (Weighted Average)

In this question, since they have asked only for average and not weighted average / PERT, i would go for (P + M+ O) / 3.

Hope this helps!

 

Regards

Saurabh, PMP