[Anthony]

Originally Posted by mr beer

Only 25% of rolls on 3d6 are either 10 or 11, I think.

54/216 (25%) are 10 or 11. 104/216 (48.1%) are 9-12. To get up to 'most' requires adding 8 or 13 to the range (either gets it up to 125/216 or 57.9%).