document.write( "Question 609639: a set of data is normally distributed with a mean of 1000 and standard deviation of 100.
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document.write( "what would be the standard score for a score of 933?
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document.write( "what percentage of scores is between 1000 and 933?
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document.write( "what would be the percentile rank for a score of 933?
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Algebra.Com's Answer #383850 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a set of data is normally distributed with a mean of 1000 and standard deviation of 100. \n" ); document.write( "what would be the standard score for a score of 933? \n" ); document.write( "---- \n" ); document.write( "z(933) = (933-1000)/100 = -67/100 = -0.67 \n" ); document.write( "------------------------------------------------------- \n" ); document.write( "what percentage of scores is between 1000 and 933? \n" ); document.write( "z(1000 + 0 \n" ); document.write( "So, P(933< = x <=1000) = P(-0.67<= z <=0) = 0.2486 \n" ); document.write( "------------------------------------------------------- \n" ); document.write( "what would be the percentile rank for a score of 933? \n" ); document.write( "Percentile rank = 24%ile \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============================== \n" ); document.write( " |