Calculate the expected duration of each activity

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Reference no: EM133402531

Question: Consider the network described in the table below.

Activity	Immediate Predecessor(s)	Pessimistic	Probable	Optimistic
J	--	15	10	8
K	--	9	8	7
L	J	10	6	5
M	J	3	3	3
N	K, M	9	5	1
O	K, M	10	7	4
P	L, N	10	8	3

Draw the network diagram and answer the following questions.

(a) Calculate the expected duration of each activity.

(b) Calculate the expected duration and variance of the critical path.

Reference no: EM133402531

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