Making a tree diagram is fast and easy, and requires only a pen, some paper, and the knowledge of the different probabilities for each potential outcome. The basic idea of a probability tree is to ...

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. Decision nodes ask a question and ...

For simple situations ... A box contains 5 blue counters and 2 red counters. Complete the tree diagram and work out the probability of selecting two red counters. Use the fact that probabilities ...