Risk

Po

Probability of

Occurrence

Pnd

Probability of

Non-Detection

S

Severity

Priority =

Po × Pnd × S

Death by shooter

0.50

0.10

1.0

0.050

Mental Trauma

0.20

0.20

0.90

0.036

Disruption of usual activities

0.10

0.10

0.050

0.00050