        </p>
<p>
            Alternatively, we could invest in a better (more precise) packer with
            a lower standard deviation.
          </p>
<p>
            To estimate how much better (how much smaller standard deviation) it
            would have to be, we need to get the 5% quantile to be located at the
            under_weight limit, 2.9
          </p>
<pre class="programlisting"><span class="keyword">double</span> <span class="identifier">p</span> <span class="special">=</span> <span class