Answer: D) sample: local listings and internet sites
population: all used passenger cars
Explanation:
A sample is a subset of items from a larger population.
A population includes all of the elements from a set of data.
Cynthia wants to buy a used passenger car.
All available used cars is the POPULATION
Cynthia looks at local listings and on internet sites.
This is a subset of all available used cars so this is the SAMPLE
Furthermore, she may not find what she is looking for and may expand her subset to include used car lots, etc.