We know that,
Variance(X) = \[E({{X}^{2}})\text{ }\text{ }{{\left[ E\left( X \right) \right]}^{2}}\]
Therefore, the required variance is \[665/324\].
We know that,
Variance(X) = \[E({{X}^{2}})\text{ }\text{ }{{\left[ E\left( X \right) \right]}^{2}}\]
Therefore, the required variance is \[665/324\].