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(Choose 1
answer)
(See picture)
A. (iii)
B. (ii)
C. (i)
D. (iv)
=
Let W [X Y]T be a 2-dimensional random variable with normal
distribution W = N(μ,Σ), in which
μ = [01] = [1]
Find the formula for the probability density function p(x,y) of W.
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FUO.sh
sh the exam.
1
(x-1)2 y2
(i)
p(x,y) = √e
2
4
(x-1)2 y2
1
(ii)
p(x,y)
4
2
2πι2
1
x2 (y-1)2
(iii)
p(x,y)
4
2
2πι2
(iv) p(x,y) = 2√2
1
x2 (y-1)2
e 2
4
2π2
