eProbability(org.apache.commons.math.distribution.PoissonDistributionTest) testLargeMeanCumulativeProbability(org.apache.commons.math.distribution.PoissonDistributionTest) testDensities(org.apache.commons.math.distribution.PoissonDistributionTest) testInverseCumulativeProbabilities(org.apache.commons.math.distribution.PoissonDistributionTest) testCumulativeProbabilities(org.apache.commons.math.distribution.PoissonDistributionTest) testIllegalArguments(org.apache.commons.math.distribution.PoissonDistributionTest) testCumulativeProbabilit