Given that the required sample size is relatively small, could he simply survey the adults at the nearest college? a. no, a sample of students at the nearest college is a convenience sample, not a simple random sample, so it is very possible that the results would not be representative of the population of adults. b. yes, a sample of students at the nearest college is a simple random sample, so the results should be representative of the population of adults. c. no, a sample of students at the nearest college is a stratified sample, not a simple random sample, so it is very possible that the results would not be representative of the population of adults. d. no, a sample of students at the nearest college is a cluster sample, not a simple random sample, so it is very possible that the results would not be representative of the population of adults