document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=462049>Question 462049</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im not understanding this question<BR>\n" );
document.write( "For a group of 22 college football players the mean heart rate after a morning workout session was 86 beats per minute and the stnadard deviation was 5. Find the 90% confidence interval of the tru mena for all college football players after a workout session. If a coach did not want to work his team beyond its capacity what maximum values should he use for the mean number of heartbeats per minute?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #316908 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=316908\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a group of 22 college football players the mean heart rate after a morning workout session was 86 beats per minute and the stnadard deviation was 5. Find the 90% confidence interval of the tru mena for all college football players after a workout session. If a coach did not want to work his team beyond its capacity what maximum values should he use for the mean number of heartbeats per minute? <BR>\n" );
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document.write( "x-bar = 86<BR>\n" );
document.write( "ME = 1.645*5/sqrt(22) = 1.7536<BR>\n" );
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document.write( "90% CI: 86-1.7536 < u < 86+1.7536<BR>\n" );
document.write( "90% CI: 84.25 < u < 87.75<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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