document.write( "Question 1033140: The incomes of trainees at a local mill are normally distribution with a mean of $1,100 and a standard deviation $800. the percentage of trainees that earn $800 or less a month is ____%. \n" ); document.write( "
Algebra.Com's Answer #804523 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
mean = 1100
\n" ); document.write( "-+ 1 standard deviation = 950 or 1250
\n" ); document.write( "-+ 2 standard deviations = 800 or 1400\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "According to the normal distribution, 2.5% of trainees make $800 or less a month.\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );