take the number off Possibilities and divide it by 100 and it will give you 25% which is 1/4 of 100% and then add the chances of 5,6,and 7 and you have a 75% Chance of Not getting 8
convert the decimal numbers to a fraction by placing the decimal numbers over a power of ten. since there are 3 numbers to the right of the decimal point,place thw decimal numvers over 10^3 (1000).
