in order to find the percentage of households...

in order to find the percentage of households in a town that own more than one vehicle, a survey asks 1000 randomly selected drivers at a gas station how many vehicles are owned in their household. from the results of the survey, it is reported that 67% of households in the town have more than one vehicle. why is this report biased? a. a random sample was used. b. the sample size was too small. c. a survey should not have been used. d. households without a vehicle were not surveyed.

Answer

# Brief Explanations: The survey was conducted among drivers at a gas - station. This means households without a vehicle were not part of the sample. Since the goal is to find the percentage of households with more than one vehicle in the whole town, excluding households without vehicles biases the results. # Answer: D. Households without a vehicle were not surveyed.