tion is going to have to be smaller.
          </p>
<p>
            Let's start by guessing that it (now 0.1) needs to be halved, to a standard
            deviation of 0.05
          </p>
<pre class="programlisting"><span class="identifier">normal</span> <span class="identifier">pack05</span><span class="special">(</span><span class="identifier">mean</span><span class="special">,</span> <span class="number">0.05</span><span class="special">);</span>
<span class="identifier">cout</span> <span class="special