# Mathematics Tutors

 Subject Mathematics Due By (Pacific Time) 12/18/2016 09:00 pm

12-2: Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed).

What is the Average waiting time in queue with Lambda = 2 & Mu = 10.00 ?

 A.0.03 B.2 C.3 D.6

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 Question 2 of 4 25.0 Points

Solve Problem and Applications: ch 12- prob 2, at the end of chapter 12 in your textbook.

12-2: Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed).

What is the Average waiting time in queue with Lambda = 4 & Mu = 10.00 ?

 A.0.07 B.99.0 C.0.005 D.1.0

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 Question 3 of 4 25.0 Points

Solve Problem and Applications: ch 12- prob 2, at the end of chapter 12 in your textbook.

12-2: Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed).

What is the Average waiting time in queue with Lambda = 6 & Mu = 10.00 ?

 A.0.0225 B.0.15 C.30.0 D.55.5

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 Question 4 of 4 25.0 Points

Solve Problem and Applications: ch 12- prob 2, at the end of chapter 12 in your textbook.

12-2: Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed).

What is the Average waiting time in queue with Lambda = 8 & Mu = 10.00 ?

 A.0.369 B.5.36 C.1.02 D.0.40

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 Question 1 of 5 20.0 Points

There are types of decisions that do not involve uncertainty or risk and common approaches used for analyzing them. Decisions that use financial analysis, optimization models, and decisions with a single alternative are good examples.

 True False

Question 2 of 5

20.0 Points

Explain how payback period, NPV, and IRR criteria are used in decision making.

 A.They are used in determining whether or not an investment is worthwhile. B.Payback period, net present value (NPV) and internal rate of return (IRR) are figures used to evaluate decisions with a single alternative. C.These are used in the types of decisions that have direct impact on profitability.

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