So in a 645 lottery game there are a total of 8145060 possible combinations to play. N n - 1 n - 2. Multiply to calculate your odds of winning the jackpot.
P3 odd 3 even 033484590659.
Larger lottery pools attract more sales but the expected value of a particular lottery ticket is a function of combinatorics pool size and consumer behavior. You will see later on why it is important to make this distinction for calculating lottery odds or probability. The number of ways of picking 2 items from a set of 5 items is by this formula. The numerator equates to the number of ways to select the winning numbers multiplied by the number of ways to select the losing numbers.