Wednesday, September 06, 2006

Distributions

Poisson distribution
`p(X)=(lambda^Xe^(-lambda))/(X!)`
The normal distribution
`Y=1/(sigma(sqrt(2pi)))e^(-(1//2)(X-mu)^2//sigma^2)`
The t distribution ("Student's t ")
`t=(bar(X)-mu)/(S//sqrt(N))`

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