The Outcome of an Experiment Is the Number of Resulting

Multiple Choice

The outcome of an experiment is the number of resulting heads when a nickel and a dime are flipped simultaneously. What is the sample space for this experiment?

A) {nickel, dime}
B) {{HH}, {HT}, {TH}, {TT}}
C) {0,1,2}
D) {{HH}, {HT}, {TT}}