public function dataProviderForPMF() { return [[5, 0.1, 0.059049], [5, 0.2, 0.065536], [1, 0.4, 0.24], [2, 0.4, 0.144], [3, 0.4, 0.0864], [5, 0.5, 0.015625], [5, 0.09, 0.056162893059], [1, 1, 0], [2, 1, 0]]; }