Exponential Distribution - Related Distributions

Related Distributions

  • Exponential distribution is closed under scaling by a positive factor. If then
  • If and then
  • If then
  • The Benktander Weibull distribution reduces to a truncated exponential distribution
  • If then (Benktander Weibull distribution)
  • The exponential distribution is a limit of a scaled beta distribution:
  • If then (Erlang distribution)
  • If then (Generalized extreme value distribution)
  • If then (gamma distribution)
  • If and then (Laplace distribution)
  • If and then
  • If then
  • If then (logistic distribution)
  • If and then (logistic distribution)
  • If then (Pareto distribution)
  • If then
  • Exponential distribution is a special case of type 3 Pearson distribution
  • If then (power law)
  • If then (Rayleigh distribution)
  • If then (Weibull distribution)
  • If then (Weibull distribution)
  • If (Uniform distribution (continuous)) then
  • If (Poisson distribution) where then (geometric distribution)
  • If and then (K-distribution)
  • The Hoyt distribution can be obtained from Exponential distribution and Arcsine distribution
  • If and then
  • If and then
  • If, then : see skew-logistic distribution.
  • Y ∼ Gumbel(μ, β), i.e. Y has a Gumbel distribution, if Y = μ − βlog() and X ∼ Exponential(λ).
  • Xχ22, i.e. X has a chi-squared distribution with 2 degrees of freedom, if .
  • Let X ∼ Exponential(λX) and Y ∼ Exponential(λY) be independent. Then has probability density function . This can be used to obtain a confidence interval for .

Other related distributions:

  • Hyper-exponential distribution – the distribution whose density is a weighted sum of exponential densities.
  • Hypoexponential distribution – the distribution of a general sum of exponential random variables.
  • exGaussian distribution – the sum of an exponential distribution and a normal distribution.

Read more about this topic:  Exponential Distribution

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