Dell Corporation sent five different versions of their email to customers to determine which message was most effective at getti
ng customers to make online purchases. While online sales rose by nearly 20%, two of the versions demonstrated higher than normal click-through rates. Such experimentation done in a realistic environment would be called a
According to my research on different types of experimentation methods, I can say that based on the information provided within the question this would be called a Field Experiment. This is a type of experiment that is done in the daily lives of the subjects and their environment, and the researcher has no control over the variables surrounding the experiment. This situation can be called a field experiment since the company is sending the emails to potential customers who will view it during their everyday life/routine and the company has no control over any other variables other than the email.
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Since there are 2 possibilities for each bat (hit or out), the amount of total possibilities is 2 * 2 * 2 = 8. There is only one possibility out of those eight that gives us three hits, therefore the probability is 1 / 8 or 0.125.
