I think what you meant to say is that the cost of a system that would guarantee a win is prohibitive. A lottery does not have an infinite number of combinations. For a wealthy person to whom money is no object it would theoretically be possible to play a set of games that cover a large portion of the board. For smaller lotteries like Keno or Pick4 it is actually quite possible for a risk loving gambler to make a handsome profit.People look at a string of numbers that "look" random and they don't have a lot of problem believing they are random. But they see a string that looks less than random and immediately bring out the conspiracy theories. Any specified string of 6 numbers is equally probable or improbable, assuming the equipment is all working properly. 1-2-3-4-5-6 has never been a winning ticket as far as I know, but no reason why it could not have been.
Having 5 numbers the same two weeks in a row would be an improbable event to predict for any particular time, but over a period of time it is actually a very probable event.
But, unless the machine is rigged or not working properly there is no system that can help you win. The past has no influence on the future...5 heads in a row does not improve your odds for getting a tail.
Or, with the nature of this board in mind...head 5 times does not increase your chances of tail.
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