A Three-Parameter Gompertz-Lindley Distribution: Its Properties and Applications

Peter Koleoso, Angela Chukwu, Timothy Bamiduro


This research proposed a three-parameter probability distribution called Gompertz-Lindley distribution using Gompertz generalized (Gompertz-G) family of distributions. The mathematical properties of the distribution such as moment, moment generating function, survival function and hazard function were derived. The parameters of the distribution were estimated using the method of maximum likelihood and the distribution was applied to model the strength of glass fibres. Gompertz-Lindley distribution performed best (AIC = 62.8537) when compared with other generalizations of the Lindley distribution.

Keywords: Gompertz distribution, Lindley distribution, moment, survival function, hazard function

DOI: 10.7176/MTM/9-4-04

Publication date: April 30th 2019.

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ISSN (Paper)2224-5804 ISSN (Online)2225-0522

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