SOLUTION: Suppose a normal distribution has mean x¯ and standard deviation σ. If you happen to know x is 2σ LESS than x¯, then the z-score for x is what? (The x¯ is the mean)

Algebra ->  Statistics  -> Normal-probability -> SOLUTION: Suppose a normal distribution has mean x¯ and standard deviation σ. If you happen to know x is 2σ LESS than x¯, then the z-score for x is what? (The x¯ is the mean)      Log On


   

Question 1143757: Suppose a normal distribution has mean x¯ and standard deviation σ. If you happen to know x is 2σ LESS than x¯, then the z-score for x is what?
(The x¯ is the mean)
Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
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The z-score is x-x/σ and x=x-2σ z-score=2