Accession Number:
ADA180785
Title:
The Discrete Probability Distribution for Failures in a Defined Time Interval When the Time-to-Failure Is Weibully Distributed Throughout
Descriptive Note:
Technical Report
Corporate Author:
ARMY MISSILE COMMAND REDSTONE ARSENAL AL REDSTONE ARSENAL
Personal Author(s):
Report Date:
1987-01-30
Pagination or Media Count:
144.0
Abstract:
Described herein is the development of a probability distribution function for the discrete random variable, number of failures, observed in a time interval consisting of T hours when the operating systems time-to-failure is distributed as a two parameter Weibull distribution. Particular application of the distribution is envisioned in repairspare parts quantity forecasting. Additionally, discussions are provided pertaining to the distributions goodness-of-fit to simulated Weibull failure times and its use in evaluating stock-out risks associated with discrete stockage levels.