Content about “
probability

Article

The maths of randomness

Randomness is surprisingly hard to define. Fortunately the mathematical language we use to describe it is beautifully well defined.
Article
Symmetry

The maths of randomness: symmetry

Symmetry is one of the two guiding principles in understanding probabilities – if different outcomes are equivalent they should have the same probability.
Article

Making penalties fairer

Is the proposed ABBA rule for penalty shootouts really fairer than the existing rule? Maths shows that it is, and also suggests another, more subtle rule.
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Overbooking: How to avoid plane rage

The practice of overbooking has made uncomfortable headlines lately. But how do airlines decide how many tickets to sell for a flight? Here's the maths.
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Probably magic!

When you shuffle a deck of cards chances are the order of cards you produced has never been produced before! Find out why and learn a card trick too!

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What are sigma levels?

Find out how scientists, from physicists to geneticists, measure their confidence in their results.