The principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a students alarm clock has a 12.6% daily failure rate. If the student has two such alarm clocks, what is the probability that they both fail on the morning of an important final exam?

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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The principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a students alarm clock has a 12.6% daily failure rate. If the student has two such alarm clocks, what is the probability that they both fail on the morning of an important final exam?
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