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In queuing problems, which of the following probability distributions is typically used to describe the time to perform the service? Part 2

Negative Exponential

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The common measures of a queuing system's performance include:

Average time each customer spends in the system, probabilty that the service system will be idle, and average time each customer spends in the queue

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The shopper who says to himself, "I've waited too long in this line. I don't really need to buy this product today," and leaves the store is an illustration of which element of arrival behavior?

Renege

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A large discount store and supermarket has a hair styling salon on its premises. Etc....

Multiple-server, Unlimited queue length

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A system in which the customer receives service from only one station and then exits the system is which of the following?

A single-phase system

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Which of the following is a measure of queue performance?

1.) utilization factor for the system 2.) probability of a specific number of customers in the system 3.) average queue length 4.) average waiting time in the line - All of these are correct

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Which of the following represents serving automobiles on an interstate?

small barbershop with only 5 chairs for waiting customets

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Which of the following is an example of a finite arrival population?

copy machines in a copying shop that break down.

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Which of the following occurs as the level of service decreases?

Cost of waiting time increases, and cost of providing service decreases.

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Which of the following represents a customer who reneged due to the waiting line?

A customer as a gas station went inside to buy a soda, but after waiting in line for a minute left the soda behind and went outside empty-handed.

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Supply chain management describes the coordination of alll supply chain activities, starting with ____ and ending with ____

Raw Materials, satisfied customers

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A response strategy requires suppliers be selected based primarily on

capacity, speed, and flexibility

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What is transferring a firm's activities that have traditionally been internal to external suppliers

outsourcing

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Which of the following strategies is part collaboration, part purchasing from few suppliers, and part vertical intergration?

Keiretsu networks

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Prior to embarking on supply chain design, why do operations managers first consider "make or buy" and outsourcing decisions?

Some products or services may be better or less expensive if obtained externally

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The advantage of having many potential suppliers is their willingness to

offer lower prices in the short term

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What is the developing the ability to produce goods or services previously purchased or actually buying a supplier or a distributor

vertical integration

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A disadvantage of the "few suppliers" sourcing strategy is

the high cost of changing partners

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Japanese manufacturers often pursue a strategy that is part collaboration, part purchasing from a few suppliers, and part vertical integration. What is this approach called?

Keiretsu

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Which of the following describes using one supplier for a component and a second supplier for another component, where each supplier acts as a backup for the other?

cross-sourcing

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What tracks both receipts and subtractions from inventory on a continuing basis?

perpetual inventory

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ABC analysis divides on-hand inventory into three classes, generally based upon which of the following?

annual dollar volume

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Which of the following statements about the EOQ model is FALSE?

If annual demand were to double, the number of orders per year would increase by 73%

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Most inventory models attempt to minimize:

total inventory-based costs

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ABC analysis classifies inventoried items into three groups , usually based on annual dollar volume.

TRUE

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One advantage of cycle counting is that it cycles or rotates the inventory constantly.

FALSE

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Which of the following is NOT one of the four main types of inventory?

Safety stock inventory

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Which of the following statements about the basic EOQ model is TRUE?

1.) If the annual demand were to double, the number of orders per year would increase 2.) If annual demand were to double, the EOQ would increase 3.) If the carrying cost were to increase. the EOQ would fall. 4.) If the ordering C 2x. rise - all above

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A product whose EOQ is 40 units experiences an increase in ordering cost from $10 per order to $90 per order. The revised EOQ is:

Three times as large

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Which of the following statements regarding the reorder point is TRUE?

1.) A shorter lead time implies a smaller reorder point 2.)There is a reorder point even if lead time and demand lead time are constant. 3.) The reorder point is larger than dxl is safety is present 4.) The reordep that T- all above

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An inventory decision rule states: "When the inventory level goes down to 14 gearboxes, 100 gearboxes will be ordered." which of the following is TRUE?

Fourteen is the reorder point, 100 is the order quantity

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Which of the following inventory items warrants the use of a single-period inventory model?

Fresh bread in a baker's case

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For seasonal products, the service level should be set to equal:

Shortage cost/(Overage cost + Shortage cost).

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Created by: rlamb01