Lottery mathematics a game is Mega Millions, albeit with different jackpot odds. Where more than 1 powerball is drawn from a separate pool of balls to the main lottery (for example, in the EuroMillions game), the odds of the different possible powerball matching scores are calculated using the method shown in the "other scores" section above (in other words, the powerballs are like a mini-lottery in their own right), and then multiplied by the odds of achieving the required main-lottery score. If the powerball is drawn from the "same" pool of numbers as the main lottery, then, for a given target score,
Pennsylvania Lottery the first US single-lottery game to draw from two number pools (a la Cash4Life, Mega Millions, or Powerball); it also is the only U.S. game to date using two number pools drawing a total of seven numbers. Keystone Jackpot was played by selecting 6 of 33 numbers in one pool, and a seventh, blue, "Key Ball" from another field of 33. To win, players needed to match 4 or more numbers from the first set, or, as in Mega Millions or Powerball, automatically winning by matching the "Key Ball". Jackpots were paid in 26 installments; there was never a cash