A thief steals an ATM card and must randomly guess the correct three-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? The number of possible codes is. (Type an integer or fraction. Simplify your answer.)
A thief steals an ATM card and must randomly guess the correct three-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? The number of possible codes is. (Type an integer or fraction. Simplify your answer.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section0.11: Simple Probability And Odds
Problem 1E
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