A tree diagram is a visual means of representing complex processes or problems in a hierarchical structure. It is made up of nodes and branches, where the nodes represent a problem’s elements and the ...

Tree diagrams are a way of showing combinations of two or more events. Each branch is labelled at the end with its outcome and the probability is written alongside the line.

Using a tree diagram is simple once you assign the appropriate values to each node. Chance nodes, representing a possible outcome, must be assigned a probability.