Use Random-Variable Notation to Represent the Event $\{ X = 2 \}$

Multiple Choice

Use random-variable notation to represent the event.
-Suppose that two balanced dice are rolled. Let X denote the absolute value of the difference of the two numbers. Use random-variable notation to represent the event that the absolute value of the
Difference of the two numbers is 2.

A) $\{ X = 2 \}$
B) $P \{ X = 2 \}$
C) $| X | = 2$
D) $\{ ( 1,3 ) , ( 2,4 ) , ( 3,5 ) , ( 4,6 ) , ( 3,1 ) , ( 4,2 ) , ( 5,3 ) , ( 6,4 ) \}$