="term">alpha</span></dt>
<dd><p>
                The maximum acceptable <span class="emphasis"><em>risk</em></span> that more than k
                failures will be observed.
              </p></dd>
</dl>
</div>
<p>
          For example:
        </p>
<pre class="programlisting"><span class="identifier">negative_binomial_distribution</span><span class="special">&lt;</span><span class="identifier">RealType</span><span class="special">&gt;::</span><span class="identifier">find_maximum_number_of_trials</span