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April 20, 2014

Homework Help: Research & Evaluation I

Posted by Joan on Saturday, May 29, 2010 at 8:37pm.

I have an airplane that has an ignition system that works like this. There are 2 energy producing devices, called magnetos
that "fire" the spark plugs, 2 per cylinder. There is a 1 in a 1000 chance that one will fail.
What is the chance that one or the other will fail?
What is the chance that both will fail?
What is the chance that neither will fail?

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