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<div id="function.stats-dens-pmf-hypergeometric" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">stats_dens_pmf_hypergeometric</h1>
  <p class="verinfo">(PECL stats &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">stats_dens_pmf_hypergeometric</span> &mdash; <span class="dc-title">Probability mass function of the hypergeometric distribution</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.stats-dens-pmf-hypergeometric-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>stats_dens_pmf_hypergeometric</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$n1</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$n2</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$N1</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$N2</code></span><br>): <span class="type"><a href="language.types.float.php" class="type float">float</a></span></div>

  <p class="para rdfs-comment">
   Returns the probability mass at <code class="parameter">n1</code>, where the random variable
   follows the hypergeometric distribution of which the number of failure is
   <code class="parameter">n2</code>, the number of success samples is <code class="parameter">N1</code>,
   and the number of failure samples is <code class="parameter">N2</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.stats-dens-pmf-hypergeometric-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">n1</code></dt>
     <dd>
      <p class="para">
       The number of success, at which the probability mass is calculated
      </p>
     </dd>
    
    
     <dt><code class="parameter">n2</code></dt>
     <dd>
      <p class="para">
       The number of failure of the distribution
      </p>
     </dd>
    
    
     <dt><code class="parameter">N1</code></dt>
     <dd>
      <p class="para">
       The number of success samples of the distribution
      </p>
     </dd>
    
    
     <dt><code class="parameter">N2</code></dt>
     <dd>
      <p class="para">
       The number of failure samples of the distribution
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.stats-dens-pmf-hypergeometric-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The probability mass at <code class="parameter">n1</code> or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> for failure.
  </p>
 </div>


 


 


 


 


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