Results 1 to 2 of 2

Thread: Expectation and Variance

  1. October 31st 2009, 11:40 AM #1
    selinunan
    selinunan is offline
    Newbie
    Joined
    Oct 2008
    Posts
    22

    Expectation and Variance

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

    Selin
    Attached Thumbnails Attached Thumbnails Expectation and Variance-untitled.jpg  
    Follow Math Help Forum on Facebook and Google+
  2. November 1st 2009, 01:21 AM #2
    CaptainBlack
    CaptainBlack is offline
    Grand Panjandrum
    Joined
    Nov 2005
    From
    someplace
    Posts
    14,972
    Thanks
    3
    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
    Follow Math Help Forum on Facebook and Google+
« Probability Distribution | Variation of the Failure Rate »

Similar Math Help Forum Discussions

  1. expectation and variance
    Posted in the Advanced Statistics Forum
    Replies: 0
    Last Post: August 18th 2010, 07:15 AM
  2. expectation and variance
    Posted in the Statistics Forum
    Replies: 2
    Last Post: June 9th 2010, 10:34 AM
  3. Expectation/ Variance
    Posted in the Statistics Forum
    Replies: 1
    Last Post: March 5th 2010, 01:37 AM
  4. expectation and variance
    Posted in the Advanced Statistics Forum
    Replies: 0
    Last Post: February 5th 2010, 02:53 AM
  5. Expectation and Variance
    Posted in the Statistics Forum
    Replies: 1
    Last Post: December 11th 2008, 09:05 PM

Search Tags


/mathhelpforum @mathhelpforum