For each given situation, determine if the method of randomization is either appropriate or not appropriate. Situation
Randomization
1. A car company is performing a survey to find
out about people's driving habits in a certain
city. They randomize the survey by talking to
every 50th person who leaves a movie theater
within this certain city
2. A university wants to test the health effects of
a certain sweetener. Prior to testing the
sweetener, they randomize the experiment by
flipping a fair coin that assigns each person to
the experimental or control group.
3. A laboratory wants to know how having
chicken pox as a child has affected people's
immune systems as adults. They randomize
the study by assigning subjects to groups
based on a random drawing.