Mathematics, 03.07.2019 23:40 mari530
Athief steals an atm card and must randomly guess the correct seven-digit pin code from a 4-key keypad. repetition of digits is allowed. what is the probability of a correct guess on the first try?
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Athief steals an atm card and must randomly guess the correct seven-digit pin code from a 4-key keyp...
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