hazard function.</p>
    </div>
    <div class="section level2">
    <h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>The exponentiated XLindley with parameters <code>mu</code> and <code>sigma</code>
has density given by</p>
<p>\(
 f(x) = \frac{\sigma\mu^2(2+\mu + x)\exp(-\mu x)}{(1+\mu)^2}\left[1-
 \left(1+\frac{\mu x}{(1 + \mu)^2}\right) \exp(-\mu x)\right] ^ {\sigma-1}
\)</p>
<p>for \(x \geq 0\), \(\mu \geq 0\) and \(\sigma \geq 0\).</p>
<p>Note: In this impl