List all the elements of the sample space for the following experiment: you roll a die and toss a penny.
a. (1, h), (2, h), (3, h), (4, h), (5, h), (6, h), (1, t), (2, t), (3, t), (4, t), (5, t), (6, t)
b. (1, h), (2, h), (3, h), (4, h), (5, h), (6, h), (1, h), (2, h), (3, h), (4, h), (5, h), (6, h)
c. (1, t), (2, t), (3, t), (4, t), (5, t), (6, t), (1, t), (2, t), (3, t), (4, t), (5, t), (6, t)
d. (1, h), (3, h), (5, h), (2, t), (4, t), (6, t)