Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0-32191-121-0
ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.1 Basic Concepts of Probability and Counting - Exercises - Page 140: 14


(a) 0.95

Work Step by Step

The sample space: 100 DVRs. Event A: the DVR is defective. There are 5 defective DVRs. $P(defective)=\frac{5}{100}=0.05$ Event A': the DVR is not defective. $P(not~defective)=1-P(defective)=1-0.05=0.95$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.