How are the potential choices of risk based decisions are represented in decision tree analysis? 

Answer options:

A. End node
B. Root node
C. Event node
D. Decision node

D

The potential choices of risk based decisions are represented in decision tree analysis via. Decision node, as decision nodes refers to the available choices. Incorrect Answers: A: End nodes are the final outcomes of the entire decision tree framework, especially in multilayered decision-making situations. B: Root nodes represent the start of a decision tree. C: Event nodes represents the possible uncertain outcomes of the decision, and not the available choices.