Difference between revisions of "Variance of exponential distribution"

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(Created page with "<div class="toccolours mw-collapsible mw-collapsed" style="width:800px"> <strong>Theorem:</strong> Let $X$ have the exponential dist...")
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Revision as of 22:04, 14 April 2015

Theorem: Let $X$ have the exponential distribution on $\mathbb{T}$. Then, $$\mathrm{Var}_{\mathbb{T}}(X)=\dfrac{1}{\lambda^2}.$$

Proof: