30. a. Compute the covariance for X and Y in Exercise 22 (see attachment)
b. Compute ρ (correlation coefficient) for X and Y in the same exercise.
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(a) We can compute E(X), E(Y) and E(XY) as follows. First we need to find the marginal distribution as follows.
X=k 0 5 ...
The Covariance and Coefficient of Correlation are found. The solution is detailed and well presented.