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With the binomial distribution one can obtain a [[confidence interval]] of the prediction. Such an interval also estimates the risk of failure, i.e. the chance that the predicted event still remains outside the confidence interval. The confidence or risk analysis may include the [[return period]] ''T=1/Pe'' as is done in [[hydrology]].
[[File:CumList.png|thumb|left|List of probability distributions ranked by goodness of fit, example]]
[[File:GEVdistrHistogr+Density.png|thumb|220px|Histogram and probability density of a data set fitting the [[GEV distribution]] ]]
==Goodness of fit==
Ranking the [[goodness of fit]] of various distributions one can get an impression of which distribution is acceptable and which is not.
==Histogram and density function==
From the [[cumulative distribution function]] (CDF) one can derive a [[histogram]] and the [[probability density function]] (PDF).
== See also ==
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