document.write( "Question 1142171: Hello,
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document.write( "I would appreciate it very much to have help with the following question:\r
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document.write( "Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the Empirical Rule to determine the following:\r
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document.write( "A. What percentage of people have an IQ score between 84 and 116?
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document.write( "B. What percentage of people have an IQ score less than 84 or greater than 116?
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document.write( "C. What percentage of people have an IQ score greater than 148?\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #762958 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! The empirical rule known as the 68-95-99.7 rule applies \n" ); document.write( ": \n" ); document.write( "A. The scores are within 1 standard deviation of the mean, 68% \n" ); document.write( ": \n" ); document.write( "B. The scores are 1 - 68 = 32% \n" ); document.write( ": \n" ); document.write( "C. 148 is 3 standard deviations above the mean, 1 - 99.7 = 0.3% \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |