Abstract
The current paper proposes a new three-parameter probability distribution, called power Darna distribution (PDD), as an extension to the Darna distribution. An extra parameter is added to the base model and aims to increase the flexibility of the model in fitting various real data sets. Different statistical properties as reliability functions, hazard functions, and reversed hazard rate functions are obtained. Additionally, the shapes of the model, moments, inverse moments, and quantile function are derived and discussed. The distribution functions of order statistics from the PDD and moments of the smallest and largest order statistics are presented and a simulation study is conducted for explanation. An estimation of the parameters of PDD based on maximum likelihood estimation is presented. Finally, to demonstrate the PDD applicability in real life situations, a right-censored data set of carcinogenic DMBA in the vaginas of rats is considered and analyzed.
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