       <p>
                      Using the relation:
                    </p>
                    <p>
                      p = B<sub>y</sub>(v1/2, v2/2; &#955;)
                    </p>
                    <p>
                      where B<sub>x</sub>(a, b; &#955;) is the noncentral beta distribution CDF and
                    </p>
                    <p>
                      y = x * v1 / v2
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      cdf