Find the Probability of the Event $\frac { 1 } { 3 }$

Multiple Choice

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. An even number.

A) $\frac { 1 } { 3 }$
B) 3
C) $\frac { 1 } { 2 }$
D) $\frac { 1 } { 6 }$