An activity, A, has two succeeding activities, B and C. Given the following information, determine the latest starting time for activity A. EF B = 15, EF C = 17, LF B = 24, LF C = 27; activity times are A = 4, B = 6, C = 8.

Question 30 options:

A)

26

B)

28

C)

27

D)

35

E)

30

Question 31 (2 points)

Activity C has an early start time of 8, an early finish time of 12, a latest start time of 13, and a latest finish time of 17. Its slack is:

Question 31 options:

A)

4

B)

1

C)

5

D)

0

E)

9

Question 32 (2 points)

Activity 7 is directly preceded by two activitiesactivity 5 and activity 6. Activity 5 has an expected duration of five and an ES time of six. Activity 6 has an expected duration of seven and an ES time of seven. Activity 7 has an expected duration of 10. The ES for activity 7 is:

Question 32 options:

A)

14

B)

25

C)

11

D)

24

E)

21

Question 33 (2 points)

A bank is designing a new branch office and needs to determine how much driveway space to allow for cars waiting for drive up teller service. The drive up service will have three tellers and a single waiting line. At another branch of the bank in a similar setting, the average service time for drive up tellers is 4 minutes per customer and average arrival rate is 36 customers per hour. It is expected that the new bank branch will have similar characteristics. (The new branch has estimated that the average number of customers waiting in line for service is 2.589.) What is the average time that a customer would have to wait in line before being served?

Question 33 options:

A)	8.3 minutes

B)	2.7 minutes

C)	4.3 minutes

D)	6.7 minutes

E)	3.4 minutes