
 PlanetMath: Weibull random variable (Site not responding. Last check: 20071023) 
  The resulting distribution is called the standard Weibull, or Rayleigh distribution: 
  The Weibull distribution is often used to model reliability or lifetime of products such as light bulbs. 
  Crossreferences: exponential distribution, iff, mode, median, gamma function, distribution, transformation, probability density function 
 planetmath.org /encyclopedia/RayleighDistribution.html (127 words) 
