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1.suppose that Y1 and Y2 are independent random variables 2.suppose that Y1 and Y2each have a...

1.suppose that Y1 and Y2 are independent random variables

2.suppose that Y1 and Y2each have a mean of A and a variance of B

3.suppose X1 and X2 are related to Y1 and Y2 in the following way:

X1=C/D x Y1

X2= CY1+CY2

4.suppose A, B, C, and D are constants

What is the expected value of the expected value of X1 given X2{E [E (X1 | X2)]}?

What is the expected value of the expected value of X2 given X1{E [E (X1 | X2)]}?

what is the expected value of X bar

what is the variance of X2

What is the variance of X1

What is the expected value of X2

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