document.write( "Question 1142328: a) Describe the following terms as used in network analysis \n" );
document.write( "i. Critical activity \n" );
document.write( "ii. Super critical activity \n" );
document.write( "iii. Float \n" );
document.write( "iv. Sub-critical activity \n" );
document.write( "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 \n" );
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document.write( "Activity Preceding Activity Time in Days \n" );
document.write( "Optimistic Most likely Pessimistic \n" );
document.write( "Time Time Time \n" );
document.write( "A \n" );
document.write( "B \n" );
document.write( "C \n" );
document.write( "D \n" );
document.write( "E \n" );
document.write( "F \n" );
document.write( "G \n" );
document.write( "H \n" );
document.write( "I \n" );
document.write( "J \n" );
document.write( "K - \n" );
document.write( "- \n" );
document.write( "- \n" );
document.write( "A \n" );
document.write( "B \n" );
document.write( "C \n" );
document.write( "D,E \n" );
document.write( "B \n" );
document.write( "H,F \n" );
document.write( "G,I \n" );
document.write( "J 6 6 24 \n" );
document.write( "6 12 18 \n" );
document.write( "12 12 30 \n" );
document.write( "6 6 6 \n" );
document.write( "12 30 48 \n" );
document.write( "12 30 42 \n" );
document.write( "18 30 54 \n" );
document.write( "17 29 47 \n" );
document.write( "14 28 48 \n" );
document.write( "14 28 48 \n" );
document.write( "6 6 24\r \n" );
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document.write( "Required:- \n" );
document.write( "a) Draw a network to represent the above data \n" );
document.write( "b) Determine the critical path of the project and the expected project length \n" );
document.write( "c) Calculate the variance and standard deviation of the project \n" );
document.write( "d) Compute the probability of completing the project within a period of 120 days \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? \n" );
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