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Continuous random variables with "lifetime" distributions, i.e. $(T\in \mathbb{R}^{+}),$
Modeling failure data using the following six probability functions
$\hspace{12pt}F(t)$ - Cumulative distribution function (CDF)
$\hspace{14pt}f(t)$ - Probability density function (pdf)
$\hspace{13pt}S(t)$ - Reliability (survivor) function
$\hspace{14pt}h(t)$ - Hazard rate (failure rate) function
$\hspace{11pt}H(t)$ - Cumulative hazard function
$F^{-1}(p)$ - Inverse CDF (or quantile function)
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