Suppose that the two-dimensional vectors (X1, Y1), (X2, Y2), ..., (Xn, Yn) form a random sample from a bivariate normal distribution for which the means of X and Y are unknown but the variances of X and Y and the correlation between X and Y are known. Find the M. L.E.’s of the means.

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

its 8

step-by-step explanation: