ThmDex – An index of mathematical definitions, results, and conjectures.

ThmDex – An index of mathematical definitions, results, and conjectures.

Result R5327 on D4000: Standard exponential random positive real number

Expectation of a standard exponential random positive real number

Formulation 0

Let $X \in \text{Exponential}(1)$ be a D4000: Standard exponential random positive real number.

Then \begin{equation} \mathbb{E} X = 1 \end{equation}