document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046049>Question 1046049</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Completion times for an assembly operation among a group of workers had a mean of 80 seconds and a standard deviation of 10 seconds. Can you count on a completion time of 100 seconds being on the extreme 10 percent of all completion times if the distribution of times is normal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661599 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=661599\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=blue+%28x+-+mu%29%2Fblue%28sigma%29 ALIGN=MIDDLE  ALT=\"z+=blue+%28x+-+mu%29%2Fblue%28sigma%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "z = (100-80)/10 = 2<BR>\n" );
document.write( "Top 10%:  z = 1.2815<BR>\n" );
document.write( "2 > 1.28156<BR>\n" );
document.write( "Yes, can count on 100 seconds being on the extreme 10 percent of all completion times <BR>\n" );
document.write( " </SPAN>\n" );
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