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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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Hints/Tips re(3): Debugged! (spoiler) | Comment 4 of 5 |
(In reply to re(2): Debugged! (spoiler) by Charlie)

1. SH’s solution for 3 trials is flawless.

2. For n trials - knowing that one is faulty (not at most one!)- see the official solition.

Edited on April 20, 2018, 11:46 am
  Posted by Ady TZIDON on 2018-04-17 02:15:39

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