document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142564>Question 1142564</A>: <I><SPAN STYLE=\"word-break: break-all;\"> b)	R&D department is planning to bid on a large project for the development of a new communication system for commercial planes. The accompanying table shows the activities, times and sequences required.\r<BR>\n" );
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document.write( "Activity	Preceding Activity	Time in Days<BR>\n" );
document.write( "Optimistic                    Most likely            Pessimistic<BR>\n" );
document.write( "Time                                   Time                      Time<BR>\n" );
document.write( "A<BR>\n" );
document.write( "B<BR>\n" );
document.write( "C<BR>\n" );
document.write( "D<BR>\n" );
document.write( "E<BR>\n" );
document.write( "F<BR>\n" );
document.write( "G<BR>\n" );
document.write( "H<BR>\n" );
document.write( "I<BR>\n" );
document.write( "J<BR>\n" );
document.write( "K	-<BR>\n" );
document.write( "-<BR>\n" );
document.write( "-<BR>\n" );
document.write( "A<BR>\n" );
document.write( "B<BR>\n" );
document.write( "C<BR>\n" );
document.write( "D,E<BR>\n" );
document.write( "B<BR>\n" );
document.write( "H,F<BR>\n" );
document.write( "G,I<BR>\n" );
document.write( "J	6                                              6                       24<BR>\n" );
document.write( "6                                            12                       18<BR>\n" );
document.write( "12                                          12                       30<BR>\n" );
document.write( "6                                             6                         6<BR>\n" );
document.write( "12                                          30                       48<BR>\n" );
document.write( "12                                          30                       42<BR>\n" );
document.write( "18                                          30                       54<BR>\n" );
document.write( "17                                          29                       47<BR>\n" );
document.write( "14                                          28                       48<BR>\n" );
document.write( "14                                          28                       48<BR>\n" );
document.write( "6                                              6                       24\r<BR>\n" );
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document.write( "Required:-<BR>\n" );
document.write( "a)	Draw a network to represent the above data						<BR>\n" );
document.write( "b)	Determine the critical path of the project and the expected project length		<BR>\n" );
document.write( "c)	Calculate the variance and standard deviation of the project			<BR>\n" );
document.write( "d)	Compute the probability of completing the project within a period of 120 days <BR>\n" );
document.write( "e)	Suppose you want to shorten the completion time as much as possible and have the option of shortening any or all of B, C, D and G each by two days. Which would you shorten? What would be the new critical path?\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763464 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=763464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "It is doubtful that any of the volunteers on this forum will be inclined to spend a lot of time trying to figure out what the given data is.<br><BR>\n" );
document.write( "Re-post your question displaying the data in an easily usable way. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );