Investopedia / Mira Norian A tree diagram is a tool in the fields of general mathematics, probability, and statistics that helps calculate the number of possible outcomes of an event or problem ...

Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the region on the Venn diagram. Count the number of elements in each region.

Users can shade the area they choose by clicking on the diagram. Users can also change the probability of events A, B and C by dragging the sliders. Resulting conditional probabilities are also ...

Those seeking to identify the outcomes and probabilities of a particular study will chart measurable data points from a data set, resulting in a probability distribution diagram. Many probability ...