Question: In a PERT network, let i be the initial node and the terminal node of an activity A with expected activity time t(A). Let ET(k)

In a PERT network, let i be the initial node and the terminal node of an activity A with expected activity time t(A). Let ET(k) denote the earliest time associated with a node k. The slack associated with activity A is: ETU)-ET(1)-(A) O ETC)-ET(1+t(A) ET-ETC)-TA) ETO-TIA) ETCO-ET()+T(A) None of the choices listed

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