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Debugging a system (Posted on 2018-04-16) Difficulty: 3 of 5
A certain device consists of 24 equally reliable components. It is known that one (and only one) is faulty. The location of the failed component is performed by replacement - one after another.

1. Find the probabilty of restoring the functioning of the system within 3 trials.
2. Same question for n trials.

See The Solution Submitted by Ady TZIDON    
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Solution re: Debugged! (spoiler) @ Steve Comment 5 of 5 |
(In reply to Debugged! (spoiler) by Steve Herman)

...Not sure why this is Difficulty 3.  I did it in seconds in my head.


Upon publishing the official solution (see it!) -
I've edited my previous remark, trying to explain why d3 is more exact than d1.

  Posted by Ady TZIDON on 2018-04-20 11:51:45
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