document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182727>Question 1182727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A data set includes 108 body temperatures of healthy adult humans having a mean of 98.3°F and a standard deviation of 0.69°F. Construct a 99​% confidence interval estimate of the mean body temperature of all healthy humans. What does the sample suggest about the use of 98.6°F as the mean body​ temperature?\r<BR>\n" );
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document.write( "What does this suggest about the use of 98.6F as the mean body​ temperature?\r<BR>\n" );
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document.write( "A. This suggests that the mean body temperature could very possibly be 98.6°F.\r<BR>\n" );
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document.write( "B. This suggests that the mean body temperature is significantly higher than 98.6°F.\r<BR>\n" );
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document.write( "C. This suggests that the mean body temperature is significantly lower than 98.6°F. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #813575 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=813575\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The confidence interval is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28X-bar%29+%2B-+z%5B0.995%5D%2A%28s%2Fsqrt%28n%29%29 ALIGN=MIDDLE  ALT=\"%28X-bar%29+%2B-+z%5B0.995%5D%2A%28s%2Fsqrt%28n%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "From the data given, \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28X-bar%29+%2B-+z%5B0.995%5D%2A%28s%2Fsqrt%28n%29%29+=+98.3+%2B-+2.576%2A%280.69%2Fsqrt%28108%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "= [98.13, 98.47].\r<BR>\n" );
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document.write( "98.6 degrees F is outside this interval on the right side, and so the answer is \r<BR>\n" );
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document.write( "C. This suggests that the mean body temperature is significantly lower than 98.6°F. </SPAN>\n" );
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