document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=41639>Question 41639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For 2000 patients, blood-clotting time was normally distributed with a mean of 8 seconds and a standard deviation of 3 seconds.  What percent had blood-clotting times between 5 and 11 seconds?\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26907 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=26907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For 2000 patients, blood-clotting time was normally distributed with a mean of 8 seconds and a standard deviation of 3 seconds. What percent had blood-clotting times between 5 and 11 seconds?<BR>\n" );
document.write( "MEAN=8<BR>\n" );
document.write( "S.D=3<BR>\n" );
document.write( "N=2000<BR>\n" );
document.write( "S.E.=S.D/SQRT(N)=3/SQRT(2000)=0.06708<BR>\n" );
document.write( "VARIATION FROM MEAN =8-3=5 AND 8+3=11<BR>\n" );
document.write( "WE FIND 3=0.06708*K<BR>\n" );
document.write( "K=44.7<BR>\n" );
document.write( "THAT IS WE WANT % LIMITS FOR 44.7SIGMA...IT IS ALMOST 100%<BR>\n" );
document.write( "SO ALMOST 100% OF PATIENTS WILL HAVE CLOTTING TIME OF 5 TO 11 SECS.  </SPAN>\n" );
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