68.27%.....Again......e is in the 1st stand dev....the 1st stand is in e...backwards......from 1 - 16....like the gold ratio....from there to 95 is a distance of 27.....e again.................since dev. is + and -.....above and below.....like sine waves themselves...........13.5 is half of 27.....14.13i........13 everywhere.....

A prime can only end in one of 4 digits above 10..........1, 3, 7, 9...........13 again....the 1st two....7 and 9.......7 + 9 = 16.....like an imaginary gold ratio....