document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250451>Question 250451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread wear was found to be 50,000 miles with a standard deviation of 3,500 miles. What is the best estimate of the average tread life in miles for the population of these tires?\r<BR>\n" );
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document.write( "a. 50,000<BR>\n" );
document.write( "b. 3,500<BR>\n" );
document.write( "c. 50,000/100<BR>\n" );
document.write( "d. 3,500/100 </SPAN>\n" );
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