document.write( "Question 951380: Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.\r
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document.write( "The percentage of scores less than 80 is___ \n" );
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Algebra.Com's Answer #580991 by stanbon(75887) ![]() You can put this solution on YOUR website! Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities. \n" ); document.write( " The percentage of scores less than 80 is___ \n" ); document.write( "------- \n" ); document.write( "(80-80)/25 = 0 \n" ); document.write( "---- \n" ); document.write( "Percent < 80 = Normal Percent < 0 = 50% \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |