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Homework Help: Try find relationship between E(Π(Π-E(Π))) and var(Π)

  1. Jun 19, 2007 #1
    check attachment

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  2. jcsd
  3. Jun 19, 2007 #2


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    You need to show us your work, and show us where you're stuck, before we can help you. Also, please post homework questions in the appropriate Homework Help forum.

    - Warren
  4. Jun 20, 2007 #3
    thanks for the reply, there is no homework questions associate with this, all I need is trying to prove there is relationship between E(Π(Π-E(Π))) and var(Π), and not nesserary equal but other relationship like exponential relationship. anybody can help
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