In Order for a Survey to Accurately Generalize the Entire

In order for a survey to accurately generalize the entire population, the survey must

A) sample at least 10 percent of the target population.
B) sample at least 25 percent of the target population.
C) sample at least 10,000 individuals from the target population.
D) select respondents randomly, and everyone in the target population must have an equal chance of being selected.