public void MeanTest2()
{
var target = new JointDistribution(new [] { 42 }, new[] { 0.1, 0.4, 0.5 });
double expected = 42 * 0.1 + 43 * 0.4 + 44 * 0.5;
double actual = target.Mean[0];
Assert.AreEqual(expected, actual);
}