The sampling method which is least likely to include sampling bias is: A. A random sample of 500 adults in the state.
What is sampling bias?
A sampling bias can be defined as a type of bias in which members of an intended population are selected in such a way that some members have a higher or lower sampling probability than the other members.
This ultimately implies that, a sampling bias occur when members of an intended population are selected incorrectly and as such resulting in a sample that is not representative of the entire population.
In conclusion, a random sample of 500 adults in the state is least likely to include sampling bias.
Read more on sampling bias here: https://brainly.com/question/19671065
