Gambling in the United Kingdom this brand, including Lotto and Thunderball. As with other lotteries players choose a set of numbers, say 6 from 50, with six numbers then being drawn at random. Players win cash prizes depending on how many numbers they match. The National Lottery launched a pan-European "super-lottery", called EuroMillions, in 2004. Currently this is available in nine countries. In the United Kingdom, the national lottery has so far raised several billions of pounds for Good Causes, a programme which distributes money via grants. 28% of lottery revenue goes towards the fund, along with all unclaimed prizes. Additionally, 12% goes to the
Lottery mathematics bonus ball from a separate pool of formula_35 balls is: formula_36 The general formula for formula_13 matching balls in a formula_11 choose formula_12 lottery with no bonus ball from a separate pool of formula_35 balls is: formula_41 It is a hard (and often open) problem to calculate the minimum number of tickets one needs to purchase to guarantee that at least one of these tickets matches at least 2 numbers. In the 5-from-90 lotto, the minimum number of tickets that can guarantee a ticket with at least 2 matches is 100. As a discrete probability space, the probability of any