document.write( "Question 1172850: A. What z score divides the normal curve exactly in half?
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Algebra.Com's Answer #797980 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  
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document.write( "A. What z score divides the normal curve exactly in half? 0 
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document.write( "(x-value = mean at that point) 
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document.write( "B. What % of the area lies in each half of the curve? 50%
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document.write( "C. What % does the whole curve add up to? 100%\r
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document.write( "Here is a normal distribution curve / various standard deviations:
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document.write( "For the normal distribution: 
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document.write( "one  standard deviation from the mean accounts for about 68.2% of the set 
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document.write( "two standard deviations from the mean account for about 95.4%
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document.write( "and three standard deviations from the mean account for about 99.7%.
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