document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032341>Question 1032341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The measured gestation period of six wild boars in Britain yield sample data (in days): 114, 117, 122, 113, 114, 126<BR>\n" );
document.write( "Assuming that the population of gestation periods is normally distributed, an 80% confidence interval for the mean gestation period in days of wild boars is about\r<BR>\n" );
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document.write( "		A		117.7±2.0<BR>\n" );
document.write( "		B		117.7±2.5<BR>\n" );
document.write( "		C		117.7±4.3<BR>\n" );
document.write( "		D		117.7±2.8<BR>\n" );
document.write( "		E		117.7±3.2<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 #647005 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=647005\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The measured gestation period of six wild boars in Britain yield sample data (in days): 114, 117, 122, 113, 114, 126<BR>\n" );
document.write( "x-bar = 117.7 ; s = 5.24<BR>\n" );
document.write( "Assuming that the population of gestation periods is normally distributed, an 80% confidence interval for the mean gestation period in days of wild boars is about -----------------------------------<BR>\n" );
document.write( "A	117.7±2.0<BR>\n" );
document.write( "B	117.7±2.5<BR>\n" );
document.write( "C	117.7±4.3<BR>\n" );
document.write( "D	117.7±2.8<BR>\n" );
document.write( "E	117.7±3.2<BR>\n" );
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document.write( "sample mean = 117.7<BR>\n" );
document.write( "ME = 1.2816*5.24/sqrt(6) = 2.74<BR>\n" );
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document.write( "Answer:: D<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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