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Name: How does seasonal variability in demand affect the flow and waiting ti
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Description: How does seasonal variability in demand affect the flow and waiting time through a process? How might a company respond to reduce the effect of this variability?

Business

Operations Management

How does seasonal variability in demand affect the flow and waiting time through a process? How might a company respond to reduce the effect of this variability?

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section4.8: Data Envelopment Analysis (dea)

Problem 42P

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The Swanky Hotel provides room service for its guests. The process for room service begins with a room service manager who takes orders by phone at an average of 5 minutes per order. The manager then sends the order to the kitchen, where it takes an average of 16 minutes to prepare the food for each order. There are four chefs in the kitchen. If the customer requires a beverage (alcoholic or nonalcoholic), the room service manager sends the order to the bar at the same time the order is sent to the kitchen. It takes 3 minutes to fill the order by one bartender, and 80 percent of the orders require a beverage. When the kitchen and bar orders are both ready, a waiter will take them to the room and bill the guest. There are six waiters to provide the service, and each order takes 20 minutes for the waiter to complete. What is the capacity of the process, and what is the bottleneck? What is the throughput time of a typical order? Assume that on Friday evenings an average of 10…
The Swanky Hotel provides room service for its guests. The process for room service begins with a room service manager who takes orders by phone at an average of 5 minutes per order. The manager then sends the order to the kitchen, where it takes an average of 16 minutes to prepare the food for each order. There are four chefs in the kitchen. If the customer requires a beverage (alcoholic or nonalcoholic), the room service manager sends the order to the bar at the same time the order is sent to the kitchen. It takes 3 minutes to fill the order by one bartender, and 80 percent of the orders require a beverage. When the kitchen and bar orders are both ready, a waiter will take them to the room and bill the guest. There are six waiters to provide the service, and each order takes 20 minutes for the waiter to complete. Assume that on Friday evenings an average of 10 room-service orders per hour are placed. How many orders are in the system on average on Friday nights?
The following flow chart shows the entire manufacturing process at KD Manufacturing, which consists of six independent operations processes (i.e. sawing, sanding, drilling, reshaping, welding, and assembly). The entire process flow starts with the input of three different parts, Part I, Part II and Part III, each entering a different input line. Three parts meet later for the welding, whichever welding station is available (two identical welding stations work independently). After welding is completed, the product is sent to one of the three assembly stations (which are in parallel). The chart also shows the processing time per unit (in minutes) for each operation. Each of sawing, sanding, drilling and reshaping stations is handled by a different worker. Two workers handle welding, each at one welding station. Another three workers handle the assembly process independently, one at each assembly station. To improve the capacity of the entire manufacturing process, the manager decides to…
The Swanky Hotel provides room service for its guests. The process for room service begins with a room service manager who takes orders by phone at an average of 2 minutes per order. The manager then sends the order to the kitchen, where it takes a cook an average of 16 minutes to prepare the food for each order. There are four cooks in the kitchen. If the customer orders a beverage, the room service manager sends the order to the bar at the same time the order is sent to the kitchen. It takes 3 minutes for a bartender to fill the order, and 80 percent of the orders require a beverage. When the kitchen and bar orders are both ready, a waiter takes them to the room and bills the guest. There are six waiters to provide the service, and each order takes 20 minutes for the waiter to complete.a. What is the capacity of the process, and what is the bottleneck?b. What is the throughput time of a typical order?c. Assume that on Friday evenings an average of 10 room-service orders per hour are…
Bill’s Barbershop has two barbers available to cut customers’ hair. Both barbers provide roughly the same experience and skill, but one is just a little bit slower than the other. The process flow in Figure shows that all customers go through steps B1 and B2 and then can be served at either of the two barbers at step B3. The process ends for all customers at step B4. The numbers in parentheses indicate the minutes it takes that activity to process a customer.a. How long does it take the average customer to complete this process?b. What single activity is the bottleneck for the entire process?c. How many customers can this process serve in an hour?
Help ! Choice Bank receives credit card applications that need to be reviewed for a decision. There are two types of applications; preapproved, and non-preapproved. Preapproved applications only need a quick review and therefore take 6 minutes to process. Applications that are not preapproved need a secondary credit check and take 15 minutes to process. The bank receives 10 preapproved applications every hour and 6 applications that are not preapproved every hour. What is the utilization of the process? Group of answer choices 50 % 62.5 % 68.75 % 75 % 100 %