90 pupils were asked whether they owned a laptop or a tablet device. 52 said they owned a laptop. 45 said they owned a tablet. 23 said they owned both. Find the probability that a pupil chosen at ...

A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements in ...

An education consultant planted a seed in my mind several years ago about the usefulness of the triple Venn diagram. She showed the school staff one similar to the one on the left and argued that ...

British mathematician John Venn was born on August 4, 1834, so this Saturday marks the 184th anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known for less ...

It may look like a flower, but this is actually a new Venn diagram-- one that for the first time manages to represent 11 sets of data. Venn diagrams are a simple and elegant way to represent the ...