Answer:
Evacuate people from cars near the tanker
Explanation:
When your partner and you are going to first emergency personnel at the scene where the overturned tanker is present.
In-cab, the driver appears motionless. You have noticed that the liquid is leaking out of the valve assembly of the trailer tanker.
After re-positioning the ambulance first of all you should evacuate people from the car which is nearby the tanker. After that call the police.
The final solution, was once used by Hitler during a private conversation with Himmler
The answer is 3) From calls made to one hundred randomly generated telephone numbers, people replied to a question about television shows they watch
This is because the people questioned were completely chosen at random and were asked about something they might or might know much about. This is easily the least biased option.
However, other surveys were not biased, e.g. asking heart surgeons about children's diet or asking ex-employees of The World of Baseball Bookstore about the importance of baseball.
These are not a random selection and might not actually provide accurate results.