A1 Consider the following linear program:Min 8X + 12YS.t.1X + 3Y 292X + 2Y 2 106X + 2Y Z 18X, 1 20a. Use the graphical solution procedure to find the optimal solution.b. Assume that the objective function coefficient for X changes from 8 to 6. Does the optimal solution change? Use the graphical solutionprocedure to find the new optimal solution.c. Assume that the objective function coefficient for X remains 8, but the objective function coefficient for Y changes from 12 to 6. Does theoptimal solution change? Use the graphical solution procedure to find the new optimal solution.d. The sensitivity report for the linear program in part (a) provides the following objective coefficient range informationVariableObjectiveCoefficient8.00012.000AllowableIncrease4.00012.000AllowableDecrease4.0004.000How would this objective coefficient range information help you answer parts (b) and(c) prior to resolving the problem?

Objective Function:Minimize Z = 8X + 12YSubject to-X + 3Y ≥ 9 (Constraint 1)2X + 2Y ≥ 10 (Constraint…

Answered: Consider the following linear program:…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question THREE: Suppose you are given a set of data for output at a company which manufactures detergents over a period of time. You have determined a relation between total operating cost and the quantity produced and is given by the linear regression model as follows: TC=20,000+2,500Q, where TC=Total Operating Cost (in $) per annum and Q = Quantity produced per annum Required: i. Determine the total operating cost in the event that quantity of production is at 4,500, 12,500 and 7,000units. ii. What do you think would be your reservations in relaying on the linear regression model for budgetary planning purposes?
Ch. 12 Q9
Question-1: A company supplies several types of Ice-cream to consumer market. It has two plants. The data of year 2022 for both plants are given as follows Plant-1 $10,000 $5,000 $2,000 50000 Quality rate 90% Average Selling price $5/unit Labor cost Material cost Energy cost Unit produced Plant-2 $7,000 $7,000 $3,000 40000 95% $7/unit For year-2023, company decided to make an additional investment of $3,000 which would potentially improve the quality rate by 4% in plant-1 and 2% in plant-2. For budget limitation they can only invest in any one of the plants. Management decided to invest where multifactor productivity improvement will be higher compared to year-2022. Perform your analysis and suggest where management should invest the amount. (You may use MS Excel to perform the calculation.)
A. Name at least five manufacturing businesses in the Philippines
Q2. A motorcycle mamufacturer known as Kymco has invested millions in setting up a plant in Malaysia to assemble "complete knock down" (CKD) scooters to cater for the Asian market. The assembly of the motorcycle scooter will be carried out in sequence. Assuming you are the plant engineer, you will need to ensure that the first batch of scooters are to be assembled on time. (a) Each scooter assembly should not exceed 24 hours. Table Q2a Task Duration in Hours Start - A 2 Start -B 3 A-C 5 A-D 4 В -С В -F С -Е 3 C-F Dummy* D- End E- End 1 3 F- End (i) Apply PDM to manage and caleulate the float time of the schedule of the project. The relevant tasks and its duration are given in Table Q2a. (ii) You are also required to list the paths and its length and critical path.
Question 1. The dean of a school of business is forecasting total student enrollment for this year (2019)'s summer session classes based on the following historical data: YEAR TOTAL ENROLLMENT y 2,000 2,200 2,800 3,000 2015 2016 2017 2018
The figure below shows the possible routes from city A to city M as well as the cost (in dollars) of a trip between each pair of cities (note that if no arc joins two cities it is not possible to travel non-stop between those two cities). A traveler wishes to find the lowest cost option to travel from city A to city M. 20 16 B 11 21 D E 14 23 14 H 15 14 10 11 K 18 23 21 M Note: This question requires Solver. Formulate the problem in Solver and find the optimal solution. Which of the following nodes are not visited?
QUESTION 2 A. In Akhwan Company, operations director Mr Tamad recently realized there had been an increase in products failing during the final quality checks. These checks were carried out in the QC (quality control) laboratory, which tested finished goods products before being released for sale. The product failure rate had risen from 1% to 4% in two years' time which meant an increase of hundreds of items of output a month which were not sold to Akhwan's customers. The failed products had no value to the company once they had failed QC as the rework costs were not economic. Because the increase was gradual, it took a while for Mr Tamad to realize that the failure rate had risen. A thorough review of the main production operation revealed nothing that might explain the increased failure and so attention was focused on the QC laboratory. For some years, the QC laboratory at Ikhwan, managed by Ramly, had been marginalized in the company, with its two staff working in a remote…
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QUESTION 8 A stock analyst wants to determine whether there is a difference in the mean rate of return for 5 types of stock. The analyst selected a sample of 132 and conducted an ANOVA test that shown as follows. Variation SS df F MS 7 Between 237 7 (Treatment) 7 7 ? Within (Error) Total 1027 The between (Treatment) mean square is equal to? (Round answer to three decimal places ex. 2.091)
Question 14

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