ording
 to this distribution, this method returns <code>P(x0 &lt; X &lt;= x1)</code>.

 The default implementation uses the identity
 <p><code>P(x0 &lt; X &lt;= x1) = P(X &lt;= x1) - P(X &lt;= x0)</code></p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/distribution/RealDistribution.html#cumulativeProbability(double, double)">cumulativeProbability</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/commons/math3/distribut