In a throw of a coin probability of getting a head. Choose the most appropriate option:
A) 1 / 3
B) 2 / 3
C) 1 / 4
D) 2 / 5
E) 1 / 2

Rationale: "s = { h , t } e = { h } probability = n ( e ) / n ( s ) = 1 / 2 correct option is e"
Answer: E