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Math Help - Expectation and Variance

  1. #1
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    Expectation and Variance

    If anyone helps me with two questions attached, I will be thankful.

    Selin
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by selinunan View Post
    If anyone helps me with two questions attached, I will be thankful.

    Selin
    For the first question you are given enough information to write down joint density:

    f_{X,Y}(x,y)=f_{Y|X}(y|x)f_X(x)

    and the rest follows.

    CB
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