The Venn diagram shows there are \(27 + 41 = 68\) pupils who have a dog (this becomes the denominator of the conditional probability). Out of these 68 pupils, 27 have a cat.

Probability – WJEC Venn diagrams. Probability is the mathematics of chance and luck. It has multiple real-world applications from engineering to medicine and beyond.

After changing the two events' probabilities, the applet shows the resulting conditional probability as the proportion of event B's area that is contained within the intersection. Author: Chris ...

Venn diagrams use circles to represent the different sets of items of data, which can be two and typically up to five sets. After collecting the data you would like to work with, you can use a Venn ...