The researcher in Review Question 12 decides that he wants his sample of 200 to be 50% female and distributes his survey at the bar to the first 100 women who arrive and the first 100 men who arrive

Statistics Oct 21, 2020

The researcher in Review Question 12 decides that he wants his sample of 200 to be 50% female and distributes his survey at the bar to the first 100 women who arrive and the first 100 men who arrive. This is what type of sample? Is it a probability or nonprobability sample?

A researcher examining drinking patterns in his county distributes his survey at a bar on the first Friday of three consecutive months. What type of sample is this? Is it a probability or nonprobability sample?