document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248796>Question 248796</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A 90% confidence interval for a population mean is (22, 30)<BR>\n" );
document.write( "a. Can you reject the null hypothesis that mean = 24 at the 10% significance level? Why?<BR>\n" );
document.write( "b. Can you reject the null hypothesis that mean = 31 at the 10% significance level? Why? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181266 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=181266\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A 90% confidence interval for a population mean is (22, 30)<BR>\n" );
document.write( "a. Can you reject the null hypothesis that mean = 24 at the 10% significance level? Why?<BR>\n" );
document.write( "No. u = 24 is in the Fail to reject interval.<BR>\n" );
document.write( "---------------------------------------------------<BR>\n" );
document.write( "b. Can you reject the null hypothesis that mean = 31 at the 10% significance level? Why?<BR>\n" );
document.write( "Yes. u = 31 is in the reject interval.<BR>\n" );
document.write( "=========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );