Assume you make and sell locks. You've made and sold 30,000 locks. The lock has five numbers to set, each ranging from 0 to 9. If a thief wants to steal a bike that has one of your locks on it and he randomly dials one of the possible combinations, what is the probability that it would open the lock?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Assume you make and sell locks. You've made and sold 30,000 locks. The lock has five numbers to set, each ranging from 0 to 9. If a thief wants to steal a bike that has one of your locks on it and he randomly dials one of the possible combinations, what is the probability that it would open the lock?

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