Find the Probability of the Event $\frac { 1 } { 6 }$

Multiple Choice

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. A 4

A) $\frac { 1 } { 6 }$
B) 0
C) 4
D) $\frac { 2 } { 3 }$