A Class of Truncated Binomial Lifetime Distributions

Said Hofan Alkarni

Department of Quantitative Analysis, King Saud University, Riyadh, KSA.

DOI: 10.4236/ojs.2013.35036                

Abstract

In this paper, a new lifetime class with decreasing failure rate is introduced by compounding truncated binomial distribution with any proper continuous lifetime distribution. The properties of the proposed class are discussed, including a formal proof of its probability density function, distribution function and explicit algebraic formulae for its reliability and failure rate functions. A simple EM-type algorithm for iteratively computing maximum likelihood estimates is presented. The Fisher information matrix is derived in order to obtain the asymptotic covariance matrix. This new class of distributions generalizes several distributions which have been introduced and studied in the literature.

Keywords

Lifetime Distributions; Decreasing Failure Rate; Binomial Distribution

Conflicts of Interest

The authors declare no conflicts of interest.

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