Question: how do you calculate the activity variance for mean duration: Activity Name Optismistic Time Most Likely Time Pessimistic Time Activity Mean Duration Activity Variance for

how do you calculate the activity variance for mean duration: Activity Name Optismistic Time Most Likely Time Pessimistic Time Activity Mean Duration Activity Variance for Mean duration: Activity Name Optismistic Time Most Likely Time Pessimistic Time Activity Mean Duration Activity Variance for Mean duration

2 3 4 3

1 2 3 2

5 6 7 6

1 2 3 2

3 4 5 4

Total

(

mean

) 12 17 22 17

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