1. Tardigrade
  2. Question
  3. Mathematics
  4. At a railway station a passenger leaves his luggage in a locker which is opened by dialing a three digit code from 000 to 999 . The passenger chooses the code, closes the locker leaves for the town. A strange man, who does not know the code, tries to open the locker by dialing 3 digits at random. Assuming that the unsuccessful attempts are not repeated, the probability that the locker opens in K text th trials is

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Q. At a railway station a passenger leaves his luggage in a locker which is opened by dialing a three digit code from 000 to 999 . The passenger chooses the code, closes the locker \& leaves for the town. A strange man, who does not know the code, tries to open the locker by dialing 3 digits at random. Assuming that the unsuccessful attempts are not repeated, the probability that the locker opens in $K ^{\text {th }}$ trials is

Probability - Part 2

Solution:

Correct answer is (c) $\frac{1}{1000}$