Twenty-seven percent of _______ think it is wrong to live together without marriage; however, 64 percent of those over age ______ believe it is wrong

When people commit the base-rate fallacy, they often

a. rely too heavily on the availability heuristic. b. believe that the conjunction of two events is more likely than either event by itself. c. pay too little attention to information about relative frequency. d. are especially likely to demonstrate the hindsight bias.

Suppose that a doctor decides that a patient has a cold, rather than a much rarer disease, Disease X. She decides the disease is a cold, even though one symptom is fairly typical of Disease X and fairly atypical of a cold. This doctor is

a. paying attention to the base rate of the diseases. b. showing the confirmation bias. c. demonstrating the small-sample fallacy. d. combining the availability heuristic with the representativeness heuristic.