3. Find the maximum likelihood estimates of the 2 x 1 mean vector u and the...

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3. Find the maximum likelihood estimates of the 2 x 1 mean vector u and the 2 x 2 covariance matrix E based on the random sample 3 6 4 4 X = 5 7 4 7 from a bivariate normal population. [5 + 12 marks] 3. Find the maximum likelihood estimates of the 2 x 1 mean vector u and the 2 x 2 covariance matrix E based on the random sample 3 6 4 4 X = 5 7 4 7 from a bivariate normal population. [5 + 12 marks]