$\begin{array}{1 1} \text{Possible values of X = 0, 1. X is not a random variable.} \\\text{Possible values of X = 0, 1, 2. X is not a random variable.} \\\text{Possible values of X = 0, 1, 2. X is a random variable.} \\ \text{Possible values of X = 0,1. X is a random variable.}\end{array} $