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An activity on a PERT network has these time estimates: optimistic = 1.6, most likely = 5.4, and pessimistic = 10. What is its expected

An activity on a PERT network has these time estimates: optimistic =

1.6,

most likely =

5.4,

and pessimistic = 10. What is its expected activity time and

variance?

(Do not round intermediate calculations. The round final answer to two decimal places.)

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