a\)</span>, then <span class="math inline">\(y \in (\alpha,\beta)\)</span> has
a density defined as follows.
<span class="math display">\[
\mathsf{Triangle}(y | \alpha,\beta)
=
\frac{2}{\beta - \alpha}
\
\left(
1 -
\left|
y - \frac{\alpha + \beta}{\beta - \alpha}
\right|
\right)
\]</span></p>
<p>If <span class="math inline">\(\alpha = -1\)</span>, <span class="math inline">\(\beta = 1\)</span>, and <span class="math inline">\(y \in (-1,1)\)</span>, this reduces to
<span class="math display">\[
\mathsf{Trian