Given the following activity list and times in days: (15 points)

Activity           Optimistic       Most Likely     Pessimistic

                        Time                Time                Time

A                     7                      10                    12

B                     6                      8                      14

C                     5                      9                      12

D                     12                    14                    21

E                      10                    12                    15

F                      4                      5                      8

G                     1                      3                      8

H                     12                    15                    17

NOTE 1: ASSUME THE CRITTCAL PATH IS “B-E-H”.

1. Calculate the schedule duration of the critical path in days.

2. What is the probability of the project being completed in 39 days?

3. If you want a probability that the project will finish with no less that 85% certainty what is the project duration for that certainty? (5 points)

Note no interpolation is necessary from the table of Z values attached.