Normal distribution functions
PDFNormal(x,mean,sd)
PDFNormal(x,mean,sd) returns the probability density at the value x of the normal distribution with given mean and standard deviation sd.
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CDFNormal(x,mean,sd)
CDFNormal(x,mean,sd) returns the value at x of the normal cumulative distribution with given mean and standard deviation sd.
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RndNormal(mean,sd)
RndNormal(mean,sd) returns a random number from the normal distribution with given mean and standard deviation sd