<a href="#weibull-distribution" id="toc-weibull-distribution" class="nav-link" data-scroll-target="#weibull-distribution">Weibull distribution</a>
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  <li><a href="#probability-density-function-7" id="toc-probability-density-function-7" class="nav-link" data-scroll-target="#probability-density-function-7">Probability density function</a></li>
  <li><a href="#sampling-statement-7" id="toc-sampling-statement-7" class="nav-link" data-scroll-target="#sampling-statement-7">Sampling statemen