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Mathematics, 08.07.2019 23:30 anggar20

Athief steals an atm card and must randomly guess the correct four-digit pin code from a 9-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 four-digit pin code from a 9-key keypa...
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