document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975592>Question 975592</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having so much trouble resolving this problem. I understand the first part but I cannot figure out the rest.<BR>\n" );
document.write( "Twelve different video games showing substances ..... Use the data to construct a 95% confidence interval of u , the mean duration of the game.  \r<BR>\n" );
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document.write( "4043 3879 3863 4027 4322  4818 4650 4038 5011 4832 4341 4311<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #598956 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=598956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From your samples,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu=4344.6 ALIGN=MIDDLE  ALT=\"mu=4344.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=397.2 ALIGN=MIDDLE  ALT=\"s=397.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Since there are only 12 samples compute the t statistic using the critical t value for 95% and 11 dof.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bc%5D=2.201 ALIGN=MIDDLE  ALT=\"t%5Bc%5D=2.201\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E=2.201%2A%28397.2%2Fsqrt%2812%29%29 ALIGN=MIDDLE  ALT=\"E=2.201%2A%28397.2%2Fsqrt%2812%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E=252.3 ALIGN=MIDDLE  ALT=\"E=252.3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then the interval is,<BR>\n" );
document.write( "(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4344.6-252.3 ALIGN=MIDDLE  ALT=\"4344.6-252.3\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4344.6%2B252.3 ALIGN=MIDDLE  ALT=\"4344.6%2B252.3\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4092.3 ALIGN=MIDDLE  ALT=\"4092.3\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4596.9 ALIGN=MIDDLE  ALT=\"4596.9\"   DISABLED_style= \"max-width:90%; height:auto;\" >) </SPAN>\n" );
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