Skip to main content

Probability: Independent or Dependent

Are the following events independent or dependent?

  1. Rolling a die (number cube).  Then rolling another die.
  2. Rolling a die two times. 
  3. Tossing a coin two times. 
  4. Tossing a coin and rolling a die.
  5. Pulling a sock from a drawer.  Pulling another sock from the same drawer.
  6. Pulling a sock from a drawer.  Pulling another sock from another drawer. 
  7. Pulling a sock from a drawer.  Putting that sock back and drawing a sock from that drawer again. 
  8. Randomly selecting a person from a class.  Randomly selecting another student from another class. 
  9. Randomly selecting a person from a class.  Randomly selecting another student from the same class. 
  10. Randomly selecting 10 people from a school.  Randomly selecting one person from that group.