Reliability bounds and critical time for the Birnbaum-Saunders distribution

The Birnbaum-Saunders distribution, under certain conditions, can be used to model the fatigue failure-time caused by the catastrophic crack size. Reliability bounds for the Birnbaum-Saunders distribution and point and interval estimates for the critical time of the failure (hazard)-rate are discussed. The confidence intervals are constructed under the assumption that both parameters are unknown. This method is not affected by censoring, as long as confidence intervals for the parameters can be established. Numerical examples illustrate the procedure.<
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