The Conjunction Fallacy

  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 choice is more probable? Linda is a bank teller Linda is a bank teller and is active in feminist movement According to the laws of probability, the latter one must be less likely than the other one, as for it to be true, it needs two conditions to be met: first, Linda must be a bank teller and then she must also be a...