For any event that has multiple outcomes with different probabilities, it can be helpful and illustrative to construct a chart or diagram of the possible outcomes. Tree diagrams are a useful example ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. One takeaway is that JPMorgan isn’t paying much for graphic design. Another is that it’s paying too much, ...

Introduction Have you ever heard anyone say the chance of something happening is “50–50”? What does that actually mean? This phrase has something to do with probability. Probability tells you how ...