An Ordinary Die Is Rolled Once $\frac { 1 } { 2 }$

Multiple Choice

An ordinary die is rolled once. What is the probability of rolling an even number?

A) $\frac { 1 } { 2 }$
B) $\frac { 3 } { 8 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 1 } { 3 }$