document.write( "Question 402644: A set of data is normally distributed with a mean of 200 and standard deviation of 50.
\n" ); document.write( "· What would be the standard score for a score of 100?
\n" ); document.write( "· What percentage of scores is between 200 and 100?
\n" ); document.write( "· What would be the percentile rank for a score of 100?
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Algebra.Com's Answer #284781 by robertb(5830)\"\" \"About 
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(1) -2 (2 sd's to the left of the mean)\r
\n" ); document.write( "\n" ); document.write( "(2) By the 68-95-99.7 rule, 47.5%\r
\n" ); document.write( "\n" ); document.write( "(3) 2.5%
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