Global Supply Operations Quiz

Question 1

What is the arrival rate? (Calls per minute)

6.62
0.233
0.098
0.148
4.3
6.5
7.5
0.154

Question 2

What is the service rate? (Calls per minute)

4.3
0.154
6.5
0.338
0.503
3.31
0.233
6.62

Question 3

What percentage of the time is the server busy in a one-server model?

0.662
0.338
0.503
0.515
0.740
0.341

Question 4

What percentage of the time is the server busy in a two-server model?

0.110
0.331
0.224
0.503
0.662
0.740
0.515

Question 5

What percentage of the time is the server busy in a three-server model?

0.221
0.670
0.060
0.341
0.515
0.113
0.503

Question 6

What is the probability the system is empty in a single-server model?

0.338
0.110
0.148
0.662
0.098
0.224
0.503

Question 7

What is the probability of exactly 2 customers in the system in a single-server model?

0.036
0.224
0.148
0.110
0.338
0.098
0.028

Question 8

What is the probability of exactly 5 customers in the system in a single-server model?

0.043
0.098
0.080
0.0003
0.065
0.012
0.028

Question 9

On average, how many customers are in the system in a single server model?

10.5
1.29
1.48
7.77
12.7
8.41
1.95

Question 10

On average, how many customers are in the line in a single server model?

8.41
0.16
1.95
12.7
6.65
1.29
2.40

Question 11

On average, how much time does a customer spend in the system in a single-server model? (minutes)

12.71
1.95
9.52
21.5
10.25
4.83
8.41

Question 12

On average, how much time does a customer spend on hold in a single-server model? (minutes)

1.95
1.06
7.75
3.67
14.5
12.71
8.405

Question 13

What is the probability there are exactly 1 customer in line in a three-server model?

0.0003
0.025
0.001
0.113
0.515
0.341
0.005

Question 14

What is the probability there are fewer than 3 customers in line in a single server model?

0.912
0.065
0.710
0.562
0.098
0.808
0.935

Question 15

What is the probability there is more than one customer in the line in a two-server model?

0.164
0.497
0.221
0.025
0.054
0.006
0.018

Question 16

What is the probability there is one or more customers in the line in a three-server model?

0.031
0.144
0.006
0.001
0.113
0.025
0.005

Question 17

What is the probability of being served immediately in a one-server model?

0.224
0.512
0.488
0.315
0.662
0.714
0.338

Question 18

What is the probability of being served immediately in a two-server model?

0.946
0.836
0.669
0.110
0.497
0.503
0.331

Question 19

What is the probability of being served immediately in a three-server model?

0.485
0.856
0.515
0.779
0.113
0.969
0.221

Question 20

What is the least number of employees that are required to meet the account management department’s goal of 90% of incoming calls being served immediately? Remember, for this question it must meet the goal

1 – It meets the goal and it is extremely cheap.
2 – Its meets the goal of 90% and it is fairly cheapcheap.
It would actually take more that 3 servers to meet the 90% goal.
3 – It meets the goal. The wait time is well under 1 minute. But it is expensive.
2 – Well it doesn’t meet the goal, but it’s very close. Uhg! This is not the answer, but it makes sense!
1 – Well it doesn’t meet the goal, but it’s cheap. And who the hell cares about customers. Make them wait!!!

Question 21

Using these givens to answer the question that follows: Arrival rate: 0.065 calls per minute, Service rate: 0.085 calls per minute. In a single-server model what is the time in line (Minutes)?

5.26
18.678
47.4
33.17
10.0
38.235
3.76
13.33
4.78
22.75

Question 22

Using these givens to answer the question that follows: Arrival rate: 4.5 calls per minute, Service rate: 6.7 calls per minute. In a single-server model what is the time in line (Minutes)?

0.749
0.593
0.850
0.080
0.265
0.125
0.375
0.954
0.402
0.305

Question 23

Using these givens to answer the question that follows: Arrival rate: 0.083 calls per minute, Service rate: 0.206 calls per minute. In a single-server model what % of time is the server busy?

0.749
0.403
0.593
0.850
0.375
0.125
0.265
0.954
0.305
0.080

Question 24

Using these givens to answer the question that follows: Arrival rate: 2.4 calls per minute, Service rate: 2.5 calls per minute. In a single-server model what is the time in the system (Minutes)?

33.17
18.678
13.33
38.235
3.76
10.0
22.75
5.26
1200
4.78

Question 25

Using these givens to answer the question that follows: Arrival rate: 0.349 calls per minute, Service rate: 0.411 calls per minute. In a single-server model what is the average number of customers in the line?

4.78
33.17
38.235
10.0
47.4
5.26
22.75
3.76
13.33
18.678

Question 26

Using these givens to answer the question that follows: Arrival rate: 0.45 calls per minute, Service rate: 0.98 calls per minute. In a single-server model what is the average number of customers in the system?

0.265
0.593
0.080
0.375
0.749
0.954
0.305
0.850
0.125
0.402

Question 27

Using these givens to answer the question that follows: Arrival rate: 5.2 calls per minute, Service rate: 6.05 calls per minute. In a single-server model what is the average number of customers in the line?

5.26
13.33
33.17
47.4
18.678
4.78
22.75
10.0
38.235
3.76

Question 28

Using these givens to answer the question that follows: Arrival rate: 1.2 calls per minute, Service rate: 2.1 calls per minute. In a single-server model what is the probability of 3 customers in the system?

0.265
0.305
0.850
0.954
0.749
0.125
0.593
0.375
0.080
0.402

Question 29

Using these givens to answer the question that follows: Arrival rate: 0.155 calls per minute, Service rate: 0.211 calls per minute. In a single-server model what s the probability of 0 customers in the system?

0.080
0.593
0.402
0.850
0.749
0.265
0.305
0.125
0.375
0.954

Question 30

Using these givens to answer the question that follows: Arrival rate: 4.0 calls per minute, Service rate: 4.4 calls per minute. In a single-server model what is the average number of customers in the system?

22.75
38.235
4.78
47.4
3.76
33.17
10.0
13.33
18.678
5.26

Question 31

Which of the following process map symbols signifies Inspection?

Octagon
Diamond
Terminator
Arrow
D-shaped symbol
Rectangle
Triangle
Circle
Rectangle inside of a rectangle

Question 32

What would be the length of the Critical Path (or paths) after you crashed Activity H by 10 days?

Question 33

What does SCOR stand for?

Supply Chain Operations Reference
Supply Chain Operational Resources
Sorting Costs Over Resources
Supply Chain Organizational Ranking

Global Supply Operations Quiz, SCM 300: Global Supply Operations

Isaura K

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