document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254451>Question 254451</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: __________\r<BR>\n" );
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document.write( "Based on my calculation the z value would be -1.7597 for a 2-tail test. Can you confirm whether this is correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186781 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=186781\">put this solution on YOUR website!</A><BR><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: __________ <BR>\n" );
document.write( "Based on my calculation the z value would be -1.7597 for a 2-tail test. Can you confirm whether this is correct?<BR>\n" );
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document.write( "Using a TI calculator I get: z = invNorm(0.96) = 1.7506861...<BR>\n" );
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document.write( "If you use a T-value I get: invT(0.96,99) = 1.7688422....<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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