Question

Describe the sample space for the indicated experiment.
A coin is tossed and then a die is rolled only in case a head is shown on the coin.

Answer 1

When a coin is tossed then $S_1=\{H,T\}$
When a die is rolled then $S_2=\{1,2,3,4,5,6\}$
Hence $S=\{H1,H2,H3,H4,H5,H6,T\}$