4 A fair die with faces numbered \(1,2,2,2,3,6\) is thrown. The score, \(X\), is found by squaring the number on the face the die shows and then subtracting 4.
Draw up a table to show the probability distribution of \(X\).
Find \(\mathrm { E } ( X )\) and \(\operatorname { Var } ( X )\).