Capital X Symbol

The capital Latin letter X is used to represent a random variable in statistics

Format Display Data
Image Capital X Symbol (X) Download SVG ↓
TeX
X
Unicode X
88

Usage

Random Variable | Notation

In probability a random variable is denoted using capital latin letters usually X, Y, and Z or A, and B respectively.

Probability Distribution | Notation

A probability distribution is denoted like a function. Often a capital P is used for the function name, and the capital letter X is used for the argument to the function.

Conditional Probability | Notation

Conditional probability is denoted using a vertical bar between the two variables