Use a paragraph to prove that ("ZX" ) is the perpendicular bisector of side ("WY" )

Given: ∠WZX ≅ ∠YZX; ("ZW" ) ≅" ("ZY" ) Prove: ("ZX" ) is a perpendicular bisector of ("WY." )

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?