A coin is flipped 3 times and the number of times heads appears is recorded. How many different outcomes can occur?

If a coin is flipped, Head or Tail can appear. For 3 flips there are 8 possible outcomes.

{ (H, H, H), (H, H, T), (H, T, H), (H, T, T), (T, H, H), (T, H, T), (T, T, H), (T, T, T) }.

(Recording heads appearing is a favourable outcome.)