public void GetRangeTest2()
{
var invchisq = new InverseChiSquareDistribution(degreesOfFreedom: 4200);
var range1 = invchisq.GetRange(0.95);
var range2 = invchisq.GetRange(0.99);
var range3 = invchisq.GetRange(0.01);
Assert.AreEqual(4050.3922378834536, range1.Min);
Assert.AreEqual(4351.8817614873615, range1.Max);
Assert.AreEqual(3989.7323067750908, range2.Min);
Assert.AreEqual(4416.1499610177834, range2.Max);
Assert.AreEqual(3989.7323067750908, range3.Min);
Assert.AreEqual(4416.1499610177489, range3.Max);
}