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Homework Help: P value (stats)

  1. Oct 17, 2007 #1
    1. The problem statement, all variables and given/known data

    Measurements o the percentage of enrichment of 12 fuel rods used in a nuclear reactor were reported with a sample mean of 3.26. Test the hypothesis H_0: [tex]\mu[/tex]=2.95 versus H_1: [tex]\mu\neq[/tex]2.95, and draw appropriate conclusions. Use the p-value approach.

    2. Relevant equations

    3. The attempt at a solution

    I honestly don't know where to begin since the variance is unknown. Can someone help me out?
  2. jcsd
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