document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184695>Question 1184695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You measure 41 textbooks' weights, and find they have a mean weight of 49 ounces. Assume the population standard deviation is 12.6 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight.\r<BR>\n" );
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document.write( "Give your answers as decimals, to two places\r<BR>\n" );
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document.write( "I am 95% confident that the mean weight of textbooks is between____ <BR>\n" );
document.write( "and ______ ounces.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #815355 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=815355\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=49+%2B-+z%5B0.975%5D%2A%2812.6%2Fsqrt%2841%29%29+=+49+%2B-+1.96%2A%2812.6%2Fsqrt%2841%29%29+ ALIGN=MIDDLE  ALT=\"49+%2B-+z%5B0.975%5D%2A%2812.6%2Fsqrt%2841%29%29+=+49+%2B-+1.96%2A%2812.6%2Fsqrt%2841%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can do the rest. </SPAN>\n" );
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