Question: how to do this question ? (a) Table Q4(a) illustrates the probabilistic time estimated for activity a to e. All activities times are in days.

how to do this question ?

how to do this question ? (a) Table Q4(a)

(a) Table Q4(a) illustrates the probabilistic time estimated for activity a to e. All activities times are in days. Calculate the expected time (ET), variance (V) and standard deviation (6) for each activity. Table Q4(a): Probabilistic Time Estimated Activity Optimistic Most likely Pessimistic Time (ta) Time (tm) Time (tu) 2 4 6 a b 3 7 10 2. 3 3 5 d 4. 7 9 e 12 16 20

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