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That depends on how many of the twenty numbers are letters or numbers. And also how many times you try it.
 
The chance you guess it is 1/(24^20) now, or 2,4875691*10^(-28)... It would take billions of billions of years to guess it...
 
Hunchman801 said:
The chance you guess it is 1/(24^20) now, or 2,4875691*10^(-28)... It would take billions of billions of years to guess it...
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I don't think you made the right calculation. If you want to calculate it you need to know the amount of characters that are numbers and letters. Because there's a special calculation that then allows you to calculate the amount of combinations possible (it can't be typed). And with the binomial system you can calculate the chance that you'll get it right after a specific amount of tries.
 
But if there were other symbols in the combination like # or @ then the chanses get more slimmer.
 
Depends on how many symbols there are to choose from on the keyboard, and how many there are in comparison to letters or numbers.
 
Yeah, I'm silly, it's not 24^20 but 36^20... And you can calculate it without the number of combinations! Anyways, I know what they are, I had shown that Matyuv was going to earn many Tings in his topic with them ^^
 
Huh? No, of course you need the amount of combinations to calculate the chance that you'll get it right in one try. So will you finally tell us how many of the 20 characters are letters and numbers? :evil: :lol:
 
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