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Chebychevs inequality

  1. Feb 5, 2008 #1
    Hi, I am having trouble understanding Chebychevs inequality.

    when it states P[|x-mu|>=ksigma]<=1/k^2, I dont really get what x-mu represents, For example if I wanted to know the probability that a<x<b, how would I use the inequality?

    would I have to put a and b in terms of standard deviations?, is that what x-mu represents?

    Thank you so much, anything that you can say about the inequality, even if it doesnt answer my specific question may help me to understand it better...
  2. jcsd
  3. Feb 5, 2008 #2
    Hey I got it!!
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