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Need help with basic confidence interval question - TI 84 Plus

  1. Dec 12, 2013 #1

    I need help using my TI 84 to figure out this 4 part question. My professor went over it way to quickly in class, when showing us how to do it on the TI 84, I believe its only a few quick steps for each part though.

    EDIT: I have figured out part d, but am still struggling with parts a, b, and c.


    Any help would be much appreciated!


    Last edited: Dec 12, 2013
  2. jcsd
  3. May 4, 2014 #2
    I'm sorry you are not finding help at the moment. Is there any additional information you can share with us?
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