Seonglae ChoRandom Variable is a function which maps from the sample space to the set of real numbers with outcome . Random Variable is a function while variable is a value.
- Continuous random variable
- Discontinuous random variable
Everything in the world could be a random variable
Random Variable Notion
Random variable
A random variable is a mathematical formalization of a quantity or object which depends on random events. The term 'random variable' in its mathematical definition refers to neither randomness nor variability but instead is a mathematical function in whichthe domain is the set of possible outcomes in a sample space ; and
the range is a measurable space. Typically, the range of a random variable is set of real numbers.
https://en.wikipedia.org/wiki/Random_variable
