document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=318385>Question 318385</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Smith Widget Company makes widgets for the medical industry. One particular customer requires widgets that meet FDA standards.  One FDA standard requires Z-testing of at least 100 widgets at a time at the .08 level of significance.  The specific standard requires that widgets be no smaller than a certain tolerance and no larger than a certain tolerance.  The critical value(s) for such a test would be: ___-0.0714_______<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227881 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=227881\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One particular customer requires widgets that meet FDA standards.<BR>\n" );
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document.write( "One FDA standard requires Z-testing of at least 100 widgets at a time at the .08 level of significance. <BR>\n" );
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document.write( "The specific standard requires that widgets be no smaller than a certain tolerance and no larger than a certain tolerance. The critical value(s) for such a test would be: ___-0.0714_______<BR>\n" );
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document.write( "Draw a standard normal curve with mean = 0 and std = 1.<BR>\n" );
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document.write( "Center 92% around the mean: 46% to the left and 46% to the right.<BR>\n" );
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document.write( "The critical values are +-invNorm(0.04) = +-1.7507<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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