document.write( "Question 557798: For a normally distributed population, mean of 6.5 and standard
\n" ); document.write( "deviation of 4, compute: \r
\n" ); document.write( "\n" ); document.write( "a. The probability of picking one item from the population and having it fall between 6.5 and 14.75
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #362772 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!
For a normally distributed population, mean of 6.5 and standard
\n" ); document.write( "deviation of 4, compute: \r
\n" ); document.write( "\n" ); document.write( "a. The probability of picking one item from the population and having it fall between 6.5 and 14.75
\n" ); document.write( "

\r\n" );
document.write( "z-score for left endpoint 6.5 is =  =  = 0\r\n" );
document.write( "\r\n" );
document.write( "(1) if your z-table reads from the middle, look up z=0, get 0 \r\n" );
document.write( "(2) if your z-table reads from the left, look up z=0, get 0.5\r\n" );
document.write( "\r\n" );
document.write( "z-score for right endpoint 14.75 is  =  = 2.0625, round to 2.06\r\n" );
document.write( "\r\n" );
document.write( "(1) if your z-table reads from the middle, look up 2.06, get .4803 \r\n" );
document.write( "(2) if your z-table reads from the left, look up 2.06, get .9803\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "(1) if your z-table reads from the middle, subtract .4803-0 = .4803  \r\n" );
document.write( "(2) if your z-table reads from the left, subtract .9803-.5 = .4803\r\n" );
document.write( "\r\n" );
document.write( "Answer: .4803\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );