- setMean: (double)meansetVariance: (double)variance The setMean:setVariance: method sets the mean and the variance of the distribution.
- (double)getMean The getMean method returns the mean of the distribution.
- (double)getVariance The getVariance method returns the variance of the distribution.
- (double)getStdDev The getStdDev method returns the standard deviation of the distribution.
- (double)getSampleWithMean: (double)meanwithVariance: (double)variance The getSampleWithMean:withVariance: method returns a sample value within a distribution with the specified mean and variance.