"Lance, an advertising researcher, is selecting potential survey participants from a list of all the people who have mail-ordered HMR dietary products since January 2012. The respondents will be sent a collection of ads and asked to select the ad that is most relevant to their health needs. Since every person in the target population has an equal and known likelihood of being picked, the group he selects will be a:"

Stormie zanzibar owns a bakery in the fictitious country of olombia. each month the government’s market ministry mails her a large list of the regulated price of goods which include products like bread, muffins and flat bread. the list also dictates the types of goods she can sell at the bakery and what she is to charge. because of the regulations placed on these goods, stormie has increased her production of sweets, pies, cakes, croissants and buns and decreased her supply of breads, muffins and flat bread. she has taken these steps because the sweet goods’ prices are not government controlled. stormie zanzibar lives under what type of economy?