class NormalDistribution extends AbstractRealDistribution {

    public double getMean() {
        return mean;
    }

    public  NormalDistribution();
    public  NormalDistribution(double mean, double sd);
    public  NormalDistribution(double mean, double sd, double inverseCumAccuracy);
    public  NormalDistribution(RandomGenerator rng, double mean, double sd);
    public  NormalDistribution(RandomGenerator rng,
                              double mean,
                              double sd,
                              double inverseCumAccuracy);

}