ecial">;</span>
<span class="comment">// 95% of area has a z below 1.64485</span>
</pre>
<p>
            and a two-sided test (a comparison between two levels, rather than a
            one-sided test)
          </p>
<pre class="programlisting">  <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"95% of area has a z between "</span> <span class="special">&lt;&lt;</span> <span class="identifier">quantile</span><span class="special">(</span><span class="identifier