x">x</span><span class="p">)=</span><span class="nx">exp</span><span class="p">(</span><span class="o">-</span><span class="nx">x</span><span class="p">).</span>

<span class="k">as</span><span class="w"> </span><span class="nx">used</span><span class="w"> </span><span class="nx">herein</span><span class="p">,</span><span class="w"> </span><span class="nx">a</span><span class="w"> </span><span class="nx">probability</span><span class="w"> </span><span class="nx">plot</span><span class="w"> </span><span clas