期刊
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION
卷 43, 期 1, 页码 45-61出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03610918.2012.697964
关键词
beta-content gamma-level tolerance interval; beta-expectation tolerance interval; Fisher information matrix; Maximum likelihood estimator
In this paper, we consider the inference for the component and system lifetime distribution of a k-unit parallel system with independent components based on system data. The components are assumed to have identical Weibull distribution. We obtain the maximum likelihood estimates of the unknown parameters based on system data. The Fisher information matrix has been derived. We propose -expectation tolerance interval and -content -level tolerance interval for the life distribution of the system. Performance of the estimators and tolerance intervals is investigated via simulation study. A simulated dataset is analyzed for illustration.
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