Question
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
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? The number of possible codes is ______ The probability that the correct code is given on the first try is _______
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Statistical Inference Via Convex Optimization
Authors: Anatoli Juditsky, Arkadi Nemirovski
1st Edition
0691200319, 9780691200316
