For students between the ages of 11 and 14. How to work out the probability of an event Learn how to work out and write about the probability of events with this BBC Bitesize Maths article.

To calculate the probability of an event ... Each branch is a possible outcome and is labelled with a probability. Two events are independent if the probability of the first event happening ...

Explain why probability is important to statistics and data science. See the relationship between conditional and independent events in a statistical experiment. Calculate the expectation and variance ...