There is a 40% chance that a school's basketball team will make the playoffs this year. If they make the playoffs, there is a 15% chance that they will win the championship. There is also a 30% chance that the same school's volleyball team will make the playoffs

The probability for the basketball team can be represented like so|dw:1394813680950:dw|multiply along any path to find the probability of that outcome. Draw a similar diagram for the volleyball team, and add the probabilities of winning the championship for each team.