Use Random-Variable Notation to Represent the Event $\mathrm { P } \{ \mathrm { Y } \geq 2 \}$

Multiple Choice

Use random-variable notation to represent the event.
-For a randomly selected student in a particular high school, let Y denote the number of living grandparents of the student. Use random-variable notation to represent the event that the student
Obtained has at least two living grandparents.

A) $\mathrm { P } \{ \mathrm { Y } \geq 2 \}$
B) $\{ 2,3,4 \}$
C) $\{ Y > 2 \}$
D) $\{ Y \geq 2 \}$