"Linda is 31 years old, single, outspoken, and very bright. She majored in philosophy. As a student, she was deeply concerned with issues of discrimination and social justice, and also participated in anti-nuclear demonstrations."
Which of the following two alternatives is more probable?
1. Linda is a bank teller.
2. Linda is a bank teller and active in the feminist movement.
The answer is in the Futility Closet.