A random variable assigns a numerical value to each outcome of a random experiment.
What Is Random Variable?
A random variable assigns a numerical value to each outcome of a random experiment.
Examples of Random Variable
1
X can be the number shown on a rolled die.Formula and Key Points
Formula / rule
X: S → ℝ
- Know the definition and standard notation for Random Variable.
- Be able to recognise or compute random variable in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used in randomized algorithms, artificial intelligence, reliability, networking, security and data science.
Related Math Terms
Random Variable: Frequently Asked Questions
What is Random Variable?
A random variable assigns a numerical value to each outcome of a random experiment.
Why is Random Variable useful in computer science?
Used in randomized algorithms, artificial intelligence, reliability, networking, security and data science.