document.write( "Question 307588: The scores on an exam are normally distributed, with a mean of 79 and a standard deviation of 10. What percent of the scores are greater than 89? \r
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document.write( " * 68%
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document.write( " * 2.5%
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document.write( " * 16%
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document.write( " * 84% \n" );
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Algebra.Com's Answer #220028 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! The score of 89 represents 1 standard deviation above the mean. According to the Empirical Rule, on a normal distribution, there will be 16% of the scores above the mean.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired \n" ); document.write( " |