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.

Draw a Venn diagram to show the information. The diagram shows us clearly who plays which sports, and also includes the pupils who do not play any sports, by placing their names outside of the ...

This app displays an intricate Venn diagram, containing various combinations of set intersections, unions and complements. Users can shade the area they choose by clicking on the diagram. Users can ...