The probability of the ball landing on the number "Zero" in a standard European roulette wheel is 1/37, or approximately 2.7% of the time. This is because there are 37 numbers on the wheel, including the single "Zero" pocket.

Over 29 Million Copies Sold\n\n Call of Duty: Black Ops II serves as one of the most successful sequels in the series.

3 Call Of Duty: Black Ops II  29.59 Million\n\n It received quite positive reviews from critics and sold 29.59 million copies, making it the third best-selling Call of Duty videogame. It raised the bar and heightened the debate over whether Black Ops or Modern Warfare is the better series.