MathPHP\Probability\Distribution\Continuous\StandardNormalTest::testCDF PHP Method

    public function testCDF($z, $cdf)
    {
        $μ = 0;
        $σ = 1;
        $this->assertEquals($cdf, StandardNormal::CDF($z), '', 0.0001);
        $this->assertEquals(Normal::CDF($z, $μ, $σ), StandardNormal::CDF($z));
    }