OPERATION MANAGEMENT
2nd Edition
ISBN: 9781260242423
Author: CACHON
Publisher: MCG
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Chapter 1, Problem 17PA
Summary Introduction
To determine: The operational decision correspond to the consumption utility of the customer utility function.
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Consider the nonlinear optimization model stated below.
Min 2x²-18x + 2XY + y² 14Y + 51
s.t.
X + 4Y ≤7
(a) Find the minimum solution to this problem.
at (X, Y) =
(b) If the right-hand side of the constraint is increased from 7 to 8, how much do you expect the objective function to change?
Based on the dual value on the constraint X + 4Y ≤7, we expect the optimal objective function value to decrease by
(c) Resolve the problem with a new right-hand side of the constraint of 8. How does the actual change compare with your estimate?
If we resolve the problem with a new right-hand-side of 8 the new optimal objective function value is
, so the actual change is a decrease of
rather than what we expected in part (b).
Burger Dome sells hamburgers, cheeseburgers, french fries, soft drinks, and milk shakes, as well as a limited number of specialty items and dessert selections. Although Burger Dome would like to serve each customer immediately, at times more customers arrive than
can be handled by the Burger Dome food service staff. Thus, customers wait in line to place and receive their orders.
Burger Dome analyzed data on customer arrivals and concluded that the arrival rate is 40 customers per hour. Burger Dome also studied the order-filling process and found that a single employee can process an average of 56 customer orders per hour. Burger Dome is
concerned that the methods currently used to serve customers are resulting in excessive waiting times and a possible loss of sales. Management wants to conduct a waiting line study to help determine the best approach to reduce waiting times and improve service.
Suppose Burger Dome establishes two servers but arranges the restaurant layout so that an…
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C Mind Tap Cengage Learning
CENGAGE MINDTAP
Chapter 12 Homework: Managing Inventories in Supply Chains
Assignment: Chapter 12 Homework: Managing Inventories in Supply Chains
Questions Problem 12-70 Algo (Managing Fixed-Quantity Inventory Systems)
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Environmental considerations, material losses, and waste disposal can be included in the EOQ model to improve inventory-management decisions. Assume that the annual demand for an
industrial chemical is 1,600 lb, item cost is $2/lb, order cost is $45, inventory holding cost rate (percent of item cost) is 15 percent. Use the EOQ Model Excel template in MindTap to
answer the following:
a. Find the EOQ and total cost, assuming no waste disposal. Do not round intermediate calculations. Round your answer for the EOQ to…
Chapter 1 Solutions
OPERATION MANAGEMENT
Ch. 1 - Prob. 1CQCh. 1 - Prob. 2CQCh. 1 - Prob. 3CQCh. 1 - Prob. 4CQCh. 1 - Prob. 5CQCh. 1 - Prob. 6CQCh. 1 - Prob. 7CQCh. 1 - Prob. 8CQCh. 1 - Prob. 9CQCh. 1 - Prob. 1PA
Ch. 1 - Prob. 2PACh. 1 - Prob. 3PACh. 1 - Prob. 4PACh. 1 - Prob. 5PACh. 1 - Prob. 6PACh. 1 - Four regional less-than-truckload (LTL) carriers...Ch. 1 - Prob. 8PACh. 1 - Prob. 9PACh. 1 - Prob. 10PACh. 1 - Prob. 11PACh. 1 - Prob. 12PACh. 1 - Prob. 13PACh. 1 - Prob. 14PACh. 1 - Prob. 15PACh. 1 - Prob. 16PACh. 1 - Prob. 17PA
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- >>>> G סוי - C Mind Tap Cengage Learning CENGAGE MINDTAP Chapter 12 Homework: Managing Inventories in Supply Chains Questions Problem 12-44 Algo (Managing Fixed-Quantity Inventory Systems) 1. e 2. 3. 自 4. 5. ? ↑ 6. 7. 8. 9. 10. 11. ng.cengage.com + O C Excel Online Student Work Q Search this course ? Question 3 of 11 ► Hint(s) Check My Work Brenda opened a pool and spa store in a lively shopping mall and finds business to be booming but she often stocks out of key items customers want. The 28-ounce bottle of Super Algaecide (SA) is a high margin SKU, but it stocks out frequently. Ten SA bottles come in each box, and she orders boxes from a vendor 160 miles away. Brenda is busy running the store and seldom has time to review store inventory status and order the right quantity at the right time. She collected the following data: Demand = 9 boxes per week Order cost = $90/order Store open = 48 weeks/year Lead-time = 3 weeks Item cost = $180/box Inventory-holding cost = 10 percent per…arrow_forwardווח CENGAGE MINDTAP G Chapter 09 Excel Activity: Exponential Smoothing Question 1 3.33/10 A e Submit 自 ? G→ Video Excel Online Tutorial Excel Online Activity: Exponential Smoothing ng.cengage.com Q Search this course ? A retail store records customer demand during each sales period. The data has been collected in the Microsoft Excel Online file below. Use the Microsoft Excel Online file below to develop the single exponential smoothing forecast and answer the following questions. X Open spreadsheet Questions 1. What is the forecast for the 13th period based on the single exponential smoothing? Round your answer to two decimal places. 91.01 2. What is the MSE for the single exponential smoothing forecast? Round your answer to two decimal places. 23.50 3. Choose the correct graph for the single exponential smoothing forecast. The correct graph is graph A ☑ Back Observation Exponential Smoothing Forecast 100 Forecast 95 95 90 90 A-Z Office Next A+arrow_forwardThe City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its citizens. The precedence table for all the activities required to construct this area successfully is as follows: A Time B- Code Description (hrs) Immediate Predecessor(s) A Find location; determine resource requirements 20 None B Requisition of lumber and sand 65 A C Dig and grade 100 A D Saw lumber into appropriate sizes 30 B E Position lumber in correct locations 25 D, C F Nail lumber together E G Put sand in and under the equipment 25 F H H Put dirt around the equipment 10 F Put grass all over the garden, landscape, paint 35 G, H Refer to the legend for the activity that corresponds to each code. Using the line drawing tool, draw a Gantt chart for activities E through I of the project. 0 20 40 60 80 100 120 140 160 180 200 220 Clear allarrow_forward
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