document.write( "Question 758566: The average high-school teacher annual salary is $43,000. Let teacher salary be normally distributed with a standard deviation of $18,000.
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document.write( "a. What percent of high school teachers make between $40,000 and $50,000? Round to 3 decimals and keep '0' before the decimal point.
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document.write( "b. What percent of high school teachers make more than $80,000? Round to 3 decimals and keep '0' before the decimal point. \n" );
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Algebra.Com's Answer #461568 by reviewermath(1029) You can put this solution on YOUR website! Question: \n" ); document.write( "The average high-school teacher annual salary is $43,000. Let teacher salary be normally distributed with a standard deviation of $18,000. \n" ); document.write( "a. What percent of high school teachers make between $40,000 and $50,000? Round to 3 decimals and keep '0' before the decimal point. \n" ); document.write( "b. What percent of high school teachers make more than $80,000? Round to 3 decimals and keep '0' before the decimal point. \n" ); document.write( "--------------------------------------------------------------------------- \n" ); document.write( "Answer: \n" ); document.write( "a. Enter \n" ); document.write( "=ROUNDUP(normdist(50000,43000,18000,TRUE) - normdist(40000,43000,18000,TRUE),3) \n" ); document.write( "on EXCEL, the result is \n" ); document.write( "b. Enter \n" ); document.write( "=ROUNDUP(1 - normdist(80000,43000,18000,TRUE),3) \n" ); document.write( "on EXCEL, the result is \n" ); document.write( " \n" ); document.write( " |