I've come across a following problem:
$$ f(x; \mu, \sigma^2) = e^{\frac{1}{2 \sigma^2}(ln x - \mu)^2}, \quad x>0 $$
Does this distribution belong to the exponential class?
To be honest, I have no idea how to show that...
2026-03-28 09:55:30.1774691730
Does this distribution belong to the exponential class
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This is called Log-normal distribution.