document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273038>Question 273038</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	Find the critical value zc necessary to form a confidence interval at	97% level of confidence </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199544 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=199544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the critical value zc necessary to form a confidence interval at 97% level of confidence<BR>\n" );
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document.write( "97% confidence has two tails with 1.5% in each<BR>\n" );
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document.write( "zc = +-invNorm(0.015) = +-2.1701<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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