Question: 4) Consider the bivariate Normalp(x1,x2) = N( 0 , 0.3 -1 ) 3 -1 3 [hint: see example on page 178] Is p(x 2 )

4) Consider the bivariate Normalp(x1,x2) = N( 0 , 0.3 -1 )

3 -1 3

[hint: see example on page 178]

Is p(x2) Normal?What is its mean and variance?

Is p(x2|x1=1) Normal? What is its mean and variance?

If we observe that x1 equals 1, what is the probability that x2>0 approximately?

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