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Homework Help: Stats problem

  1. Oct 9, 2011 #1
    1. The problem statement, all variables and given/known data
    I am given a table of x and Probability of x an I have calculated the standard deviation and the variance.


    2. Relevant equations



    3. The attempt at a solution

    from here how do I calculate the probability that a value is within one standard deviation
     
  2. jcsd
  3. Oct 9, 2011 #2
    calculate z=1 minus z= -1 (where z = (x-m)/sigma
     
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