Random number

1. A number selected from a known set of numbers in such a way that each number in the set has the same probability of occurrence.

2. A number obtained by chance.

3. One of a sequence of numbers considered appropriate for satisfying certain statistical tests or believed to be free from conditions that might bias the result of a calculation. There exist tables of random numbers.

Source: from Federal Standard 1037C (a reference work dealing with telecommunication.

See also:

• Randomness
• Pseudo-random number generator
• Hardware random number generator

• [1] A big table of random numbers