Concept Class $C _ { 1 }$ Shows the Following Information for the Categorical Attribute Risk Factor

Multiple Choice

Concept class $C _ { 1 }$ shows the following information for the categorical attribute Risk Factor. Use this information to answer questions 9 and 10.

$\begin{array} { l l c }\underline{ \text { Attribute Name }} &\underline{ \text { Value }} &\underline{ \text { Frequency }} \\ \text { Risk factor } & \text { High Risk } & 25 \\ & \text { Medium Risk } & 10 \\ & \text { Low Risk } & 5 \end{array}$
-What is the predictability score for the attribute value medium risk?

A) 0.10
B) 0.20
C) 0.25
D) 0.50