document.write( "Question 1178617: A tyre manufacturer wants to set a minimum mileage guarantee on its new MX100 tyre. Tests reveal the mean mileage is 47,900 with a standard deviation of 2,050 miles and the distribution is a normal distribution. The manufacturer wants to set the minimum guaranteed mileage so that no more than 4% of the tyres will have to be replaced. What minimum guaranteed mileage should the manufacturer announce?
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Algebra.Com's Answer #807943 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi\r\n" );
document.write( "\"z+=blue+%28x+-+mu%29%2Fblue%28sigma%29\"\r\n" );
document.write( "so no more than  4% of the tires will have to be replaced:\r\n" );
document.write( "InvNorm(.96) = 1.75\r\n" );
document.write( "\"2050%2A1.75+%2B+47900+=+blue+%28x%29\"\r\n" );
document.write( "  x = 51487.5\r\n" );
document.write( "What minimum guaranteed mileage should the manufacturer announce?\r\n" );
document.write( " 51,487\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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