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10 cards from this deck
Exponential distribution
Memoryless
f(x)=λe−λxf(x) = \lambda e^{-\lambda x}f(x)=λe−λx, x>0x > 0x>0
Rate parameter
F(x)=1−e−λxF(x) = 1 - e^{-\lambda x}F(x)=1−e−λx, x>0x > 0x>0
E(X)=1λE(X) = \frac{1}{\lambda}E(X)=λ1
Var(X)=1λ2\text{Var}(X) = \frac{1}{\lambda^2}Var(X)=λ21
They are equal
Exponential with parameter μ\muμ
x>0x > 0x>0 (positive values only)
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