Question:
4 POINTS 26 IN ONE REGION 40 OF ALL RESIDENTIAL TELEPHONE
Last updated: 5/2/2023
![4 POINTS 26 IN ONE REGION 40 OF ALL RESIDENTIAL TELEPHONE](https://media.kunduz.com/media/sug-question-candidate/20230502222905501435-5463191.jpg?h=512)
4 POINTS 26 IN ONE REGION 40 OF ALL RESIDENTIAL TELEPHONE NUMBERS ARE UNLISTED IF 5 RESIDENTIAL HOUSING UNITS ARE RANDOMLY SELECTED FIND THE PROBABILITY THAT ALL OF THEM HAVE UNLISTED NUMBERS