When people estimate confidence intervals, they tend to provide intervals that are too ____, thus ...

When people estimate confidence intervals, they tend to provide intervals that are too ____, thus showing ____.
 
  a) narrow; underconfidence
   b) narrow; overconfidence
   c) wide; underconfidence
   d) wide; overconfidence

Question 2

If you want someone to be willing to take a risk, you can make it more likely by:
 
  a) telling them what they stand to gain if they don't take the risk.
   b) telling them what they stand to lose if they don't take the risk.
   c) pitting the risk against a sure gain.
   d) doing nothing special; risk-taking is people's default mode.

Question 3

According to the expected utility theory, our choices should _____ show invariance; invariance refers to_____.
 
  a) never; failing to change our choices even when circumstances dictate we should
   b) never; failing to change a course of action once its been chosen
   c) always; preferring one alternative over another, no matter how the alternatives are presented
   d) always; sticking with a course of action once its been chosen