Calculate Variance Project Activities Optimistic Time Likely Time Pessimistic Time Activit Q30624612

Calculate the variance for each of the projectactivities.

                     OptimisticTime    Most-likelyTime   PessimisticTime        

    Activity     Estimate(weeks)   Estimate (weeks)   Estimate(weeks)       Variance  σ2

A             3                            6                             9            

B             3                            5                             7            

C             4                            7                           12            

D             4                            8                           10            

E             5                          10                           16            

F             3                            4                             5            

G             3                            6                             8            

H             5                            6                           10

I              5                            8                           11

J              3                            3                             3