document.write( "Question 1177232: Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 78 tire. Tests revealed that the tire's mileage is normally distributed with a mean of 47,500 miles and a standard deviation of 1,850 miles. The manufacturer wants to set the guaranteed mileage so that no more than 6% of the tires will have to be replaced. What guaranteed mileage should the manufacturer announce? \n" ); document.write( "

Algebra.Com's Answer #805513 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "Hi\r\n" );
document.write( "z= invNorm(.06) = 1.5548\r\n" );
document.write( "1.5548 = (x-47500)/1850\r\n" );
document.write( " x = 50376.38\r\n" );
document.write( "guaranteed mileage should then be: 50,376mi\r\n" );
document.write( "\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
document.write( "

\n" ); document.write( " \n" ); document.write( "

\n" );