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![Consider the following joint probabilities table for \(X\) and \(Y\), where \(x = 0, 10\) and \(y = 90, 100, 110\).
\[
\begin{array}{c|ccc}
XY & 90 & 100 & 110 \\
\hline
0 & 0.05 & 0.27 & 0.18 \\
10 & 0.15 & 0.33 & 0.02 \\
\end{array}
\]
Calculate the covariance of \(X\) and \(Y\).
\[
Cov(X, Y) = \underline{\hspace{2cm}}
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