June 2005 Audit Report 05-019
Probability The likelihood of risk occurrence is quantitatively or qualitatively rated on the following scale:
Probability
Uncertainty Statement
Evaluation of Impact (see Impact)
> 80%
Extreme, Almost certain
5
61%-80%
High, Likely
4
41%-60%
Medium
3
21%-40%
Low
2
1%-20%
Very Low, Highly unlikely
1