Consider a project that consists of carrying out two activities, A and B, which can take place in parallel and which do not have precedence. It is known that the duration (in days) of activities A and B follows normal distributions with mean and standard deviation, respectively, of μA =49,σA =5 μB =50 σB =2.

a) Use the PERT technique to calculate the probability that the total project duration will not exceed 48 days. Do not forget to indicate the hypotheses on which this technique is based and justify all the steps.

b) Indicate how you would accurately calculate the likelihood that the total project duration will not exceed 48 days. Comment if you think there is great advantage in using the PERT technique in this specific case.

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Solution a Using PERT technique we consider only the criti... View the full answer