document.write( "Question 453762: In the NASCAR racing industry ball bearings are automatically produced on a Kronar BBX machine and are known to be normally distributed. For one of the production lines, the mean diameter is set at 20.00 mm (millimeters). The standard deviation, over a long period of time, was computed to be 0.150 mm. What percent of the ball bearings on this line will have diameters of 20.27 mm or more? \n" ); document.write( "

Algebra.Com's Answer #311710 by edjones(8007) $\"\"$ $\"About$

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20.27-20.00=0.27
\n" ); document.write( "z=0.27/0.150=1.8
\n" ); document.write( "3.593%
\n" ); document.write( ".
\n" ); document.write( "Ed \n" ); document.write( "

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