public void GeometricDistributionConstructorTest()
{
double successProbability = 0.9;
GeometricDistribution target = new GeometricDistribution(successProbability);
Assert.AreEqual(0.9, target.ProbabilityOfSuccess);
Assert.AreEqual((1 - 0.9) / 0.9, target.Mean);
Assert.AreEqual((1 - 0.9) / (0.9 * 0.9), target.Variance);
}