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. A 1 or a 4 or a 3

A) $\frac { 1 } { 3 }$
B) $\frac { 1 } { 6 }$
C) $\frac { 1 } { 2 }$
D) 8