You are going to play 2 sets of tennis with an opponent whom you have never played against before. Your opponent is equally likely to be a beginner, intermediate, or professional. Depending on which, your chances of winning a set are 80%, 40%, or 20%, respectively. What is your expected outcome?
a) Win both sets
b) Win one set and lose one set
c) Lose both sets
d) The outcome cannot be determined
