A project comprises the activities shown in Table 13.15, which also shows the duration of each activity.

(a) Construct a network diagram for this project and determine the expected completion time together with the critical path.

(b) Determine the probability that the project will take longer than 50 weeks.

(c) Determine the probability that the project will take less than 42 weeks.

EXERCISES 493 Programme project Preceding Duration Activity activities (days)

A Book individual dates for programme
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2 B Contact key speakers to agree availability A 20 C Arrange sponsorship to help with costs
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15 D Send out membership renewal details
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5 E Membership renewals returned D 15 F Send reminder notice to those who have not renewed membership together with list of key speakers B,E 5 G Membership renewals returned F 15 H Compile membership list G 5 I Print detailed programme B,C 5 J Mail final programme to members I,G 5 Table 13.14