Random Variables

https://www.youtube.com/watch?v=3v9w79NhsfI

A random variable maps outcomes of a random event to a number. Examples:

• Die:
  • Random event: What is on the top side of a throw of a die?
  • Outcomes: 1,2,3,4,5,6
  • Mapping to a number/symbol: E.g.,
    • 1,2,3,4,5,6
    • A,B,C,D,E,F