Mathematics, 25.12.2019 08:31, novelty9274

a thief steals an atm card and must randomly guess the correct four-digit pin code from a 5-key keypad. repetition of digits is allowed. what is the probability of a
correct guess on the first try?

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a thief steals an atm card and must randomly guess the correct four-digit pin code from a 5-key keyp...