Security
There are 20 first-class passengers and 120 coach passengers scheduled on a flight. In addition to the usual security screening, 10% of the passengers will be subjected to a more complete search.
a) Describe a sampling strategy to randomly select those to be searched.
b) Here is the first-class passenger list and a set of random digits. Select two passengers to be searched, carefully demonstrating your process.
65436 71127 04879 41516 20451 02227 94769 23593
| Bergman |
Cox |
Fontana |
Perl |
| Bowman |
DeLara |
Forester |
Rabkin |
| Burkhauser |
Delli-Bovi |
Frongillo |
Roufaiel |
| Castillo |
Dugan |
Furnas |
Swafford |
| Clancy |
Febo |
LePage |
Testut |
c) Explain how you would use a random number table to select the coach passengers to be searched.