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If to, is the optimistic time, tp is the pessimistic time and tm is the most probable time, then the expected time of occurrence of an activity is

At = (to + 2tm +tp) /4

Bt = (to + tm +tp) /3

Ct = (to + 4tm +tp) /6

Dt = (to + 2tm + 3tp) /6

Answer:

C. t = (to + 4tm +tp) /6


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