Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Negative Binomial and Chi-square

  1. Sep 30, 2011 #1
    can any one help me with this question :


    875098196.jpg
     
  2. jcsd
  3. Sep 30, 2011 #2

    Stephen Tashi

    User Avatar
    Science Advisor

    I haven't looked at the problem closely. Is there some difficulty in solving the simultaneous equations for p and k ?

    [tex] \bar{x} = \frac{ k(1-p)}{p} [/tex]
    [tex] s^2 = \frac{k(1-p)}{p^2} = \frac{\bar{x}}{p}[/tex]
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook