efron's dice

Questions

What does efron's dice mean?

A set of four intransitive dice with faces numbered as follows: A: 4, 4, 4, 4, 0, 0; B: 3, 3, 3, 3, 3, 3; C: 6, 6, 2, 2, 2, 2; and D: 5, 5, 5, 1, 1, 1. They have unusual statistical properties.

Where does efron's dice come from?

Invented by Bradley Efron.

How to pronounce efron's dice

1. Open the pronunciation page — Open the Speakur entry for “efron's dice”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “efron's dice”.
4. Repeat and practice — Say “efron's dice” aloud, matching stress and vowels until it feels natural.