## probability

**Yutaka Nishiyama**and

**Steve Humble**can give you the winning advantage.

**Tim Johnson**was drawn into financial maths, not through an interest in finance, but because he was interested in making good decisions in the face of uncertainty. Tim explores the development of this interface between abstract mathematics and our everyday lives, and explains why a painting may only be worth its wall space.

**David Spiegelhalter** investigates how probability can be defined.