# Archives

## Lognormal Distribution

Before reading this article, make sure that you have read the article on probability distributions in general. Suppose that X is a normally distributed random variable with a mean of μ and a variance of σ2 ($X\ \sim\ N\left(\mu,\ \sigma^2\right)$).  Then the random variable $Y\ =\ e^X$ has what is known as a lognormal distribution.  […]

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