    @Test
    void testZeroTrial() {

        final int n = 11; // population
        final int m = 4;  // successes in population
        final int s = 0;  // number of trials

        final HypergeometricDistribution dist = new HypergeometricDistribution(n, m, 0);

        for (int i = 1; i <= n; i++) {
            final double p = dist.probability(i);
            Assertions.assertEquals(0, p, () -> "p=" + p);
        }
    }