Question

Three coins are tossed. Find the probability that exactly 1 head is tossed.

Answer 1

exactly one
this is not so many that we cannot list all 8 outcomes

Answer 2

h h h
h h t
h t h
t h h
h t t
t h t
t t h
t t t

Answer 3

3 out of the 8 have exactly 1 head