Answer
0.574
Work Step by Step
First find the case that all 5 are on time; $p=0.843^5=0.426$
so the case that at least 1 was not on time is: $1-0.426=0.574$
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 4 - Probability and Counting Rules - 4-3 The Multiplication Rules and Conditional Probability - Exercises 4-3 - Page 225: 39
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