document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=752053>Question 752053</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The undergraduate GPA for students admitted to the top graduate business schools is 3.37. Assume this estimate is based on a sample of 120 students admitted to the top schools. Using past years' data, the population standard deviation can be assumed known with .28. What is the 95% confidence interval estimate of the mean undergraduate GPA for students admitted to the top graduate business schools? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #457542 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=457542\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The undergraduate GPA for students admitted to the top graduate business schools is 3.37. Assume this estimate is based on a sample of 120 students admitted to the top schools. Using past years' data, the population standard deviation can be assumed known with .28. What is the 95% confidence interval estimate of the mean undergraduate GPA for students admitted to the top graduate business schools?<BR>\n" );
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document.write( "x-bar = 3.37<BR>\n" );
document.write( "ME = 1.96*0.28/sqrt(120) = 0.0501<BR>\n" );
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document.write( "95% CI: 3.37-0.0501 < u < 3.37+0.0501<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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