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May 23rd, 2013, 11:50 AM  #1 
Newbie Joined: May 2013 Posts: 2 Thanks: 0  Prob and Stats Help!
We are going over the central limit theorem in class. I'm not sure how to answer this question: If we are trying to estimate µ, then why is the interval estimate X ± (Z?/2)(?/sqrt n) not practical? 
May 23rd, 2013, 11:53 AM  #2 
Newbie Joined: May 2013 Posts: 2 Thanks: 0  Re: Prob and Stats Help!
EDIT*** That was supposed to be an X with a bar over it. Xbar. Thanks!

May 24th, 2013, 12:38 PM  #3 
Global Moderator Joined: May 2007 Posts: 6,807 Thanks: 717  Re: Prob and Stats Help!
Since most of us are not taking your course, you should define the various symbols.


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