## Elementary Statistics (12th Edition)

Published by Pearson

# Chapter 4 - Probability - Review - Review Exercises - Page 188: 17

#### Answer

$\frac{1}{1000}$

#### Work Step by Step

There are 10 digits, so by using the fundamental counting rule we can get the number of possibilities: $10\times10\times10=1000$. We also know that $probability=\frac{number \ of \ good \ outcomes}{number\ of\ all\ outcomes}$, therefore $P(success)=\frac{1}{1000}$.

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