160;  <span class="comment">// approximates a normal random variable with the same variance,</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  <span class="comment">// which is equal to the sum of the variances of the individual</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  <span class="comment">// f_i&#39;s, which is (2*magBound)^2/12 = magBound^2/3.</span></div>
<div class="line"><a name="l00122"></a><span class="lin