document.write( "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?\r
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Algebra.Com's Answer #764671 by Shin123(626)\"\" \"About 
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\n" ); document.write( "The z-score is x-x/σ and x=x-2σ z-score=2
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