#        mass          pdf          cdf
         3.02            0            0
         3.06            0            0
          3.1            0            0
         3.14            0            0
         3.18            0            0
         3.22            0            0
         3.26            0            0
          3.3            0            0
         3.34            0            0
         3.38            0            0
         3.42            0            0
         3.46            0            0
          3.5           25            1
         3.54            0            1
         3.58            0            1
         3.62            0            1
         3.66            0            1
          3.7            0            1
         3.74            0            1
         3.78            0            1
         3.82            0            1
         3.86            0            1
          3.9            0            1
         3.94            0            1
         3.98            0            1