Betting on the Odd and Evens

From the power analysis, you can find that most of the times, the number of odd and even numbers are about 3 odds and 4 even OR 4 even and 3 odd. There are also cases of 2 odds and 5 evens OR 5 odds and 2 even. So if you want to strike the jackpot, you better buy number set that have 50% odd and 50% even numbers.