Question: English translation: Consider a project whose prior relationships and durations are given in the following table. (table information) : 1Task | 2Prerequisite | 3 Duration
English translation:
Consider a project whose prior relationships and durations are given in the following table.
(table information) :
1Task | 2Prerequisite | 3 Duration (sub column:optimistic| likely|pessimistic)|
a)
Calculate for each task t the expected duration ut and the standard deviation ot of the variable Dt (duration of
t). Round answers to the nearest hundredth. Show calculations.
b)
According to the expected durations (to the nearest hundredth) in a), draw the network of this project and
determine critical paths with CPM. Be sure to include the summary table of
earlier/later starts, earlier/later ends, margins, and if it's a critical path.
c)
What is the probability that the project will be completed in 26 periods or more? Show calculations
the inamge has been translated
Soit un projet dont les relations d'antriorits et les dures sont donnes au tableau suivant. a) Calculer pour chaque tche t la dure espre t et l'cart type t de la variable Dt (dure de t ). Arrondir les rponses au centime prs. Montrer les calculs. b) Selon les dures espres (au centime prs) en a), tracer le rseau de ce projet et dterminer les chemins critiques avec CPM. Assurez-vous d'inclure le tableau sommaire des dbuts plus tt/tard, fins plus tt/tard, marges, et si c'est un chemin critique. c) C'est quoi la probabilit que le projet soit achev en 26 priodes ou plus? Montrer les calculs
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