1. Helpful in statistical quality control
normal distribution is very useful for controlling the quality in business. With this we can fix the limit of quality . that will helpful for controlling the quality .
2. Helpful in forecasting
It is very helpful we can calculate the estimated length of the bones of animals and woods and leaves . because if animals are one type their numbering is normally distributed .
3. Helpful making mean as normal distribution :-
if we take one sample out of the universe and calculate the mean size of growing then it will normal distribution