2. Which of the following is an example of rational rather than adaptive expectations?

&a. The crowd expects a 95 percent free-throw shooter to sink the free throw to win the state basketball championship.

&b.A professor has been 10 minutes late to class three times in a row. Students come to the fourth class 10 minutes late.

&c. The fans of a pro football team that had four wins, ten losses, and one tie last year find another team to root for this year.

&d.Stockholders of a firm that had losses three years in a row sell off their stocks.

&e. A company with a poor earnings record over the past five years finds itself swamped by investors when word of its new superproduct leaks out.