
F
Cost
(x)
Probability That Cost ≤ x
0.95
0.7
0.4
($M)
x
23.5
30.5 43.5
Cumulative Probability Distribution for Exercise 1.3
12 Probability Methods for Cost Uncertainty Analysis
uncertainties. Formulating and documenting a supporting rationale, that
summarizes the team’s collective insights into these uncertainties, is the
critical part of the process. Without a well-documented rationale, the credibility
of the analysis can be easily questioned.
The details of the analysis methodology are important and should also
be documented. The methodology must be technically sound and offer
value-added problem structur