(d) transformer damage given that there is no line damage; (e) transformer damage or line damage.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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1. In studying the causes of power failures, these data have been gathered.
5% are due to transformer damage.
80% are due to line damage.
1% involve both problems.
Based on these percentages, approximate the probability that a given power failure
involves:
(d) transformer damage given that there is no line damage;
(e) transformer damage or line damage. 

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