Table 3 Likelihood (probability) of occurrence with assigned rating scores, and definition of level of risk for specified range of risk

Frequent

1.0

\( R_{j} > \) 0.6

High

Probable

0.8

\( 0.6 > R_{j} \ge 0.4 \)

Serious

Occasional

0.6

\( 0.4 > R_{j} \ge 0.2 \)

Medium

Remote

0.4

\( R_{j} < 0.2 \)

Low

Improbable

0.2