Question: (c) What is the probability that that the critical path will take 18 weeks or less? (you will need to use a Z table for

(c) What is the probability that that the

(c) What is the probability that that the critical path will take 18 weeks or less? (you will need to use a Z table for this)

(d) What is the probability that that the critical path will take 26 weeks or less? (you will need to use a Z table for this)

(e) How much time must be allowed to achieve a 90% probability of timely completion? (you will need to use a Z table for this)

Preceding Activity Activity Completion Times (days) Optimistic Most Likely Pessimistic a 5 6 7 b 4 5 18 a 4 15 20 d b,c 3 4 5 a 5 16 18

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