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Mathematics 21 Online
OpenStudy (anonymous):

find the probl of the event ramdon guessing a 4 digit atm acess code

OpenStudy (anonymous):

would it be 1/4?

OpenStudy (anonymous):

1/10000

OpenStudy (mathmagician):

1/10^4 i think

OpenStudy (anonymous):

yeah

OpenStudy (yuki):

considering 4 straight numbers are not allowed in an ATM machine, I would say 1/9990

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