document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618811>Question 618811</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let Z by a standard normal random variable. Solve for c. \r<BR>\n" );
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document.write( "P(c&#8804;Z&#8804;0.57)=0.6907 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389343 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=389343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Z by a standard normal random variable. Solve for c. <BR>\n" );
document.write( "P(c &#8804; Z &#8804; 0.57) = 0.6907<BR>\n" );
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document.write( "Draw a picture of a standard normal curve.: N(0,1)<BR>\n" );
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document.write( "Plot a point at z = 0.57<BR>\n" );
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document.write( "Find P(0<= z <= 0.57) = normalcdf(0,0.57) = 0.2157<BR>\n" );
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document.write( "Then 0.6907 - 0.2157 = 0.4750<BR>\n" );
document.write( "That is the probability area to the left of the mean.<BR>\n" );
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document.write( "Find the z-value with a left tail 0f 0.5000-0.4750 = 0.0250<BR>\n" );
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document.write( "c = invNorm(0.0250) = -1.9600<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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