الفهرس 
الفصل الاول: مقدمةيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Survival function represents important function used in industrial
engineering, medical and economic applications. For example, we find
that there are many applications in the first area you need to study the
random variable that reflects the life of a particular product Ouamr one of
its components. While many medical studies need to study the random
variable, which reflects the age of the patient so that a particular disease
is curable or death. On the economic side, the draw specific policy to
address the problem of unemployment, for example, may require a study
of the random variable that reflects the time needed by a particular
college graduates even hold a job. But when the stock analysis, can study
the random variable Aaburan Omar, who hold securities before they are
sold. In this context, we find that there are many writers have to address
several application areas for the tests of life, such as Lawless (1981) and
Rausand (2004).