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 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.