Which of the following nodes of the decision tree analysis represents the start point of decision
tree?

A.
Decision node

B.
End node

C.
Event node

D.
Root node

Explanation:

Root node is the starting node in the decision tree.
Answer C is incorrect. Event node represents the possible uncertain outcomes of a risky decision,
with at least two nodes to illustrate the positive and negative range of events.
Answer A is incorrect. Decision nodes represents the choice available to the decision maker,
usually between a risky choice and its non-risky counterpart.
Answer B is incorrect. End node represents the outcomes of risk and decisions.