ormalApproximationInterval.</span><code><strong><a href="../../../../../../../org/apache/commons/math3/stat/interval/NormalApproximationInterval.html#createInterval(int, int, double)">createInterval</a></strong>(int&nbsp;numberOfTrials,
              int&nbsp;numberOfSuccesses,
              double&nbsp;confidenceLevel)</code>
<div class="block">Create a confidence interval for the true probability of success
 of an unknown binomial distribution with the given observed number
 of trials, successes and confi