s an interval that guarantees
          <span class="emphasis"><em>at least</em></span> the coverage required, and may produce pessimistic
          estimates for some combinations of <span class="emphasis"><em>failures</em></span> and <span class="emphasis"><em>successes</em></span>.
          See:
        </p>
<p>
          <a href="http://www.ucs.louisiana.edu/~kxk4695/Discrete_new.pdf" target="_top">Yong
          Cai and K. Krishnamoorthy, A Simple Improved Inferential Method for Some
          Discret