Chris
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 Aug14 awarded Popular Question Nov29 accepted Degree of similarity between two lists? Nov28 asked Degree of similarity between two lists? Dec16 accepted Chances of $X$ digits in a number being odd? Dec16 comment Chances of $X$ digits in a number being odd? Thank you very much for the explanation of his formula! Dec16 awarded Editor Dec16 revised Chances of $X$ digits in a number being odd? rephrased Dec16 comment Chances of $X$ digits in a number being odd? Shouldn't the length of such as list be a variable in the general formula? It seems more likely that a number consisting of 12 digits has 4 odd numbers than a number consisting of only 5 digits. In both cases, the chance of that happening would be 1 in 32 according to your formula though (1/2)^(4+1). Dec16 comment Chances of $X$ digits in a number being odd? Thank you for your reply, but I fail to see what's wrong with my question, "infinite set of integers'? The (X or more) mentioned in my question is actually predefined, but is always a number equal to or greater than X. I think that's the same situation you made of it, right? Dec16 asked Chances of $X$ digits in a number being odd? Dec7 accepted Probability of a number appearing in another number , like 31 in 2315? Dec7 comment Probability of a number appearing in another number , like 31 in 2315? Wow, this is much more complicated than I thought. I must admit that I hadn't even considered the involvement of numbers made up of equal digits. Not having taken any high-level maths courses, I will need some time to process your complex but interesting explanation - thank you so much for your efforts! Dec7 comment Probability of a number being greater than A and less than B? Thanks again for adding that final sentence, perfect, exactly what I was trying to describe in language (which is less clear than your formula). Dec7 awarded Supporter Dec7 comment Probability of a number being greater than A and less than B? Ah, so I should multiply (the chance of the number being greater than 6) by (the chance it will be less than 6 in the then remaining amount of possibilities)... Thank you very much for your explanation! Dec7 awarded Scholar Dec7 accepted Probability of a number being greater than A and less than B? Dec7 asked Probability of a number appearing in another number , like 31 in 2315? Dec7 awarded Student Dec7 asked Probability of a number being greater than A and less than B?