thnx liga & turms .
i should have looked in my statistics book before i post this
5+ 1/4 ^ 5 * 3/4 ~ 0.07 % times 6 ~ 0.4 %
4+ 1/4 ^ 4 * 3/4 ^ 2 ~ 0.2% times 15 ~ 3.3 %
3+ 1/4 ^ 3 * 3/4 ^ 3 ~ 0.7 % times 20 ~ 13.1 %
liga could you please share how you come to 6 , 15 and 20 times exactly ?