Calculating probabilities using Venn diagrams can often lead to confusion. Here, maths expert Colin Foster lays out a lesson plan that will set students straight… What’s the issue with Venn diagrams ...

Venn diagrams can be useful for organising information about frequencies and probabilities, which can then be used to solve conditional probability problems. 90 pupils were asked whether they owned a ...

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 ...

Author: Chris Boucher (March 2011). This app displays an intricate Venn diagram, containing various combinations of set intersections, unions and complements. Users can shade the area they choose by ...