Question

voluntary sampling is one type of sampling method that is not probability based. this means that each member of a population is equally likely to be chosen for the survey. the results of the survey cannot reliably be extended and generalized. the likelihood of a member of the population volunteering to be surveyed is not probable. the results of the survey are not mathematically probable.

Explanation:

Voluntary sampling is non - probability sampling. In non - probability sampling, the sample is not randomly selected from the population in a way that gives each member a known, non - zero probability of being selected. As a result, the sample may not be representative of the population, and the results cannot be reliably extended or generalized to the entire population.

Answer:

the results of the survey cannot reliably be extended and generalized.