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

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Question 32

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

• 70
• 65
• 40
• 60
• 45
• 50
• 55

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Question 33

What does SCOR stand for?

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