Discussion of Lectures 3

Xijia Liu

Department of Statistics, Umeå University

Lecture 3: Basic Knowledge in Probability Theory

• What is the difference between prior probability and posterior probability? Explain it with your own examples.
• What is the difference between probability and likelihood?
• Discrete random variables V.S. Continuous random variables
• How to explain what a normal distribution is to family members in simple words?
• How to understand the contour graph of bivariate normal distribution density function?