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.
(In reply to
Debugged! (spoiler) by Steve Herman)
Not quite.
I believe "within 3 trials" includes 1, 2, or 3.