Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 4 - Probability and Counting Rules - 4-4 Counting Rules - Exercises 4-4 - Page 235: 5

Answer

$100000$ $30240$

Work Step by Step

A lottery game called Quinto is played by choosing five numbers each, from 0 through 9. How many numbers are possible? Each number can be 0 to 9, in total we have $10^5=100000$ Although repeats are allowed, how many numbers are possible if repeats are not allowed? First number has 10 choices, second has 9, etc. the total is $10\times9\times8\times7\times6=30240$
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