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Reliability analysis in stress-strength model under record values with practical verification
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  • Published: 21 March 2026

Reliability analysis in stress-strength model under record values with practical verification

  • Amal S. Hassan  ORCID: orcid.org/0000-0003-4442-84581,
  • Tmader Alballa  ORCID: orcid.org/0000-0002-0776-26522,
  • Etaf Alshawarbeh3,
  • Doaa Basalamah4,
  • Said G. Nassr  ORCID: orcid.org/0000-0002-0126-28685 &
  • …
  • Rokaya Elmorsy Mohamed  ORCID: orcid.org/0000-0001-8853-98686 

Scientific Reports , Article number:  (2026) Cite this article

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We are providing an unedited version of this manuscript to give early access to its findings. Before final publication, the manuscript will undergo further editing. Please note there may be errors present which affect the content, and all legal disclaimers apply.

Subjects

  • Engineering
  • Mathematics and computing

Abstract

This article uses upper record values to estimate the stress-strength reliability parameter, defined as \(\dddot \delta = P(Z < T).\) We assume that both strength (T) and stress (Z) are independent random variables that follow the inverted exponentiated Pareto distribution with a common second shape parameter. The maximum likelihood and Bayesian estimators of \(\dddot \delta\)are obtained. Using informative and non-informative priors, the Bayesian estimators are obtained under symmetric and asymmetric loss functions. Two bootstrap-type confidence intervals and highest posterior credible intervals are constructed. Gibbs and Metropolis-Hasting samplers are used to generate Bayesian estimates of reliability \(\dddot \delta\) based on the suggested loss functions. To investigate the behavior of suggested approaches, extensive simulation studies are carried out using some accuracy measures. Simulation experiment findings validated the consistency of the Bayesian and non-Bayesian estimates of \(\dddot \delta .\) According to specific metrics, Bayesian estimates under symmetric loss function showed more precision than those under asymmetric loss functions. The lengths of credible intervals for Bayesian estimates are less than the bootstrap confidence intervals for different record numbers. The bootstrap-p confidence intervals give more accurate outcomes than bootstrap-t in most cases. The analysis employs two representative datasets. The first includes the timing of goals scored in the final rounds of the European Champions League over two consecutive seasons. The second dataset contains monthly observations of sulfur dioxide concentration in Long Beach, California, spanning the years 1956 to 1974.

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All data generated or analyzed during this study are included in this published article.

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Acknowledgements

The authors extend their appreciation to Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2026R404), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.

Funding

The authors extend their appreciation to Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2026R404), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.

Author information

Authors and Affiliations

  1. Faculty of Graduate Studies for Statistical Research, Cairo University, 5 Dr. Ahmed Zewail Street, Giza, 12613, Egypt

    Amal S. Hassan

  2. Department of Mathematical Sciences, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, 11671, Riyadh, Saudi Arabia

    Tmader Alballa

  3. Department of Mathematics, College of Science, University of Ha’il, Ha’il 55481, Saudi Arabia

    Etaf Alshawarbeh

  4. Mathematics Department, Faculty of Science, Umm Al-Qura University, P.O.Box 24231, Makka, Saudi Arabia

    Doaa Basalamah

  5. Department of Statistics and Insurance, Faculty of Commerce, Arish University, Al-Arish, 45511, Egypt

    Said G. Nassr

  6. Department of Mathematics, Statistics and Insurance, Faculty of Management Sciences, Sadat Academy for Management Sciences, Cairo, 11728, Egypt

    Rokaya Elmorsy Mohamed

Authors
  1. Amal S. Hassan
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Contributions

Amal S. Hassan: Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). **Tmader Alballa:** Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). **Etaf Alshawarbeh:** Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). **Doaa Basalamah:** Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). **Said G. Nassr:** Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). **Rokaya Elmorsy Mohamed:** Methodology (equal); Writing–original draft (equal); Writing–review & editing (equal); Data curation (equal); Formal analysis (equal). All authors have read and agreed to the published version of the manuscript.

Corresponding author

Correspondence to Tmader Alballa.

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Cite this article

Hassan, A.S., Alballa, T., Alshawarbeh, E. et al. Reliability analysis in stress-strength model under record values with practical verification. Sci Rep (2026). https://doi.org/10.1038/s41598-026-39638-6

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  • Received: 16 October 2025

  • Accepted: 06 February 2026

  • Published: 21 March 2026

  • DOI: https://doi.org/10.1038/s41598-026-39638-6

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Keywords

  • Inverted exponentiated pareto distribution
  • Bootstrap confidence intervals
  • Weighted least squares loss function
  • Upper record values
  • Stress-strength model
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