arget="_top">triangular
          distribution</a> is a distribution with the <a href="http://en.wikipedia.org/wiki/Probability_density_function" target="_top">probability
          density function</a>:
        </p>
<p>
          &#8192;&#8192; f(x) =
        </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
              2(x-a)/(b-a) (c-a) for a &lt;= x &lt;= c
            </li>
<li class="listitem">
              2(b-x)/(b-a)(b-c) for c &lt; x 