If you have, then your instincts were telling you something. F irst of all, the odds are against an all odd number combination or an all even number combination being drawn as compared to a number combination with a better balance of each. Because of how many there are of each type. Had you ever calculated them out, you would have known which type would have the better chance of being drawn on any given night. The type with more number combinations possible will be drawn much more often.
T here are only so many ways a number combination can be made up using odd and even numbers.
Shown below are the 6 ways for all five number games and the 7 ways for all six number games. Given any number of drawings, we can calculate how many times each type of number combination should be drawn. Note that the calculations can be done long before the first drawing ever takes place. T he calculations are done. Now, let's compare the actual drawing results to these calculated results.