Problema del cumpleaños

2:0.03333333333333332623:0.097777777777777744:0.1880000000000000645:0.29626666666666676:0.4135555555555555767:0.53084444444444458:0.64031407407407489:0.736230320987654410:0.81536122469135811011:0.87690748312757212:0.92204140598079561213:0.953224843588477414:0.97349407803347051415:0.985863508284517616:0.99293175414225881617:0.996701485266387518:0.99857064361543461819:0.999428257446173820:0.99979036106359712021:0.999930120354532322:0.99997903610635972223:0.999994409628362624:0.99999869557995122425:0.999999739115990326:0.99999995651933172627:0.999999994202577628:0.99999999942025772829:0.9999999999613505102030405060708090100