ABSTRACT

Introduction................................................................................................................7 Building the Decision Tree........................................................................................9 What Is the Question? .............................................................................................14 Interpretation of the Probabilistic-Branching Model..............................................19 So, So What? ...........................................................................................................20

Classical solution of a decision tree involves beginning at the “end” leaf nodes and multiplying leaf-node values by branch probabilities. The products of such multiplications are summed until we reach the “root” of the tree where the sum of the products results in an expected value for the tree.