Y

.0412.

||

12|0.20.20.0|0.4

X||

2|0.10.10.4|0.6

.||.

0.30.30.4

a) What is E(Y)

b) E(12/X)

c) E(Y/X)

d) V(X)

e) Is the covariance positive or negative

f) What would the joint probabilities equal if X and Y were independent