#### Answer

$0.99998775$

#### Work Step by Step

We can use the multiplication rule: P(at least one doesn't fail):1-P(both fail) =$1-0.0035^{2}=0.99998775$

Published by
Pearson

ISBN 10:
0321836960

ISBN 13:
978-0-32183-696-0

$0.99998775$

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