document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=977039>Question 977039</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time required to assemble a piece of machinery is a random variable having<BR>\n" );
document.write( "approximately a normal distribution with = 13.2 minutes and &#61555;&#61472;= 3.0 minutes. What are<BR>\n" );
document.write( "the probabilities that the assembly of a piece of machinery of this kind will take<BR>\n" );
document.write( "(i) at least 11.1 minutes<BR>\n" );
document.write( "(ii) anywhere from 10.35 to 16.05 minutes?<BR>\n" );
document.write( "(iii) at most 15.92 minutes </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #598536 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=598536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Posting the first answer (i) -\r<BR>\n" );
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document.write( "11.1 is 2.1 minutes below the median, or 2.1/3 = .7, a Z = -.7\r<BR>\n" );
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document.write( "75.8% will be above this number.  </SPAN>\n" );
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