Abstract
This paper deals with the problem of estimation of the stress–strength function \(R = P(Y < X)\), when X and Y are two independent but not identically distributed random variables belonging to the exponentiated Frechet (EF) distribution. Different estimators of R, namely, maximum likelihood, uniformly minimum variance unbiased, and Bayes, are derived in closed form. In addition, two-sided confidence interval for R is obtained. We discuss the reliability in multi-component model. Simulation studies are performed to compare the different estimates of \(R\) and \(R_{s, k}\). Real data are used as a practical application of the proposed procedure.
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The authors are deeply thankful to the two reviewers and Editor for their valuable suggestions which really improve the quality of the manuscript.
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Badr, M.M., Shawky, A.I. & Alharby, A.H. The Estimation of Reliability from Stress–Strength for Exponentiated Frechet Distribution. Iran J Sci Technol Trans Sci 43, 863–874 (2019). https://doi.org/10.1007/s40995-017-0372-0
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DOI: https://doi.org/10.1007/s40995-017-0372-0
Keywords
- Bayesian estimator
- Maximum likelihood estimator (MLE)
- Uniformly minimum variance unbiased estimator (UMVUE)
- Stress–strength model
- Exponentiated Frechet distribution (EFD)