document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011520>Question 1011520</A>: <I><SPAN STYLE=\"word-break: break-all;\">  An industrial engineer intends to use the mean of a random<BR>\n" );
document.write( "sample of size n = 150 to estimate the average<BR>\n" );
document.write( "mechanical aptitude (as measured by a certain test) of<BR>\n" );
document.write( "assembly line workers in a large industry. If on the b<BR>\n" );
document.write( "basis of experience, the engineer can assume that &#945; =<BR>\n" );
document.write( "6.2 for such data, what can be assert with probability<BR>\n" );
document.write( "0.99 about the maximum size of his error? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627196 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=627196\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An industrial engineer intends to use the mean of a random<BR>\n" );
document.write( "sample of size n = 150 to estimate the average<BR>\n" );
document.write( "mechanical aptitude (as measured by a certain test) of<BR>\n" );
document.write( "assembly line workers in a large industry. If on the b<BR>\n" );
document.write( "basis of experience, the engineer can assume that &#945; =<BR>\n" );
document.write( "6.2 for such data, what can be assert with probability<BR>\n" );
document.write( "0.99 about the maximum size of his error? <BR>\n" );
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document.write( "<BR>\n" );
document.write( "\n" );
document.write( "ME = 2.5758*6.2/sqrt(150) = 1.304<BR>\n" );
document.write( "-----\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.] </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );