Answer
a. $0.157$
b. $0.097$
c. $0.903$
Work Step by Step
a. All are caused by car driver error
$p=0.54^3=0.157$
b. None is caused by car driver error
$p=(1-0.54)^3=0.097$
c. At least 1 is caused by car driver error
$p=1-0.097=0.903$
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: 38
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