Applied Statistics and Probability for Engineers, 6th Edition

Published by Wiley
ISBN 10: 1118539710
ISBN 13: 978-1-11853-971-2

Chapter 2 - Section 2-5 - Multiplication and Total Probability Rules - Exercises - Page 48: 2-127

Answer

See below.

Work Step by Step

a) $P(loose \ keys)=P(loose \ keys|mechanical\ defects)P(mechanical\ defects)=0.27\cdot0.88=0.2376$ b) $P(\text{improperly connected or poorly welded wires})=P(\text{improperly connected or poorly welded wires}|electrical\ connects)P(electrical\ connects)=(0.13+0.52)\cdot0.12=0.078$
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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions