random variable

A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.

Noun

A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.
A measurable function from a sample space to the measurable space of possible values of the variable.
- Henceforth the symbol X(w) will be used for the random variable X#58;S#92;rightarrow#92;mathbb#123;R#125;. - 1996, Ron C. Mittelhammer, Mathematical Statistics for Economics and Business, volume 78, Springer, page 45:
- The particular example considered here is the Hilbert space of random variables. - 2009, Christian Perwass, Geometric Algebra with Applications in Engineering, Springer, page 351:
- A two-dimensional random variable is a mapping of the points in the sample space to ordered pairs {x, y}. Usually, when dealing with a pair of random variables, the sample space naturally partitions itself so that it...