tbourner Posted February 25, 2012 Share Posted February 25, 2012 We know the equation for Lotto is a Combination of 49(n) and 6(k): giving around 14M to 1. So I'm looking at Bingo now, specifically 90 ball bingo, and they have jackpots if you get a full house within a certain number of drawn balls. So I want to know the working for the odds of that happening. The equation isn't as simple as the one above. We have 90 numbers, we select 15 from 90, they draw one at a time randomly from the 90. What are the odds of having your 15 drawn within the first 40 draws (for example)? Link to comment Share on other sites More sharing options...
tbourner Posted March 12, 2012 Author Share Posted March 12, 2012 Anyone? It seems to be a win rate of about 70%, so their matched deposit deals are quite good as you think you've won £14 from your £10 deposit, then you deposit more. It's just the jackpot I can't work out the odds on. Link to comment Share on other sites More sharing options...
Digsy Posted March 12, 2012 Share Posted March 12, 2012 I've had a couple of goes at this and its driving me a bit barmy Link to comment Share on other sites More sharing options...
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