How many possible outcomes do I have?
Two - Heads or Tails
This is called my sample space - that is the list of all the possible outcomes.
What is the sample space if I choose one of these cards?
How many items would be in my sample space?
5 - Ace of Spades, King of Diamonds, Queen of Spades, 10 of Hearts and 9 of diamonds.
For more information on sample spaces click here.