Lomax distribution

The probability density function for Lomax distribution is:

.. math::

f(x, c) = \frac{c}{(1+x)^{c+1}}

for :math:x \ge 0, c > 0.

The following plots show the pdf and cdf:

.. image:: ../../../../tests/imgs/stats/continuous/lomax/lomaxpdf.png :align: center :width: 480

.. image:: ../../../../tests/imgs/stats/continuous/lomax/lomaxcdf.png :align: center :width: 480