Operations management Week 1 Chapter 1: Competing with Operations Page 27‚ question 2: Suds and Duds Laundry A. Week | Hours(input) | Shirts(output) | Ratio | 1 | 24 | 68 | 2.83 Shirts/hour | 2 | 46 | 130 | 2.83 Shirts/hour | 3 | 62 | 152 | 2.45 Shirts/hour | 4 | 51 | 125 | 2.45 Shirts/hour | 5 | 45 | 131 | 2.91 Shirts/hour | B. The output difference isn’t large between the input and output ratio. It seems as if producitivity may decline if there were more people working. If
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CLICK TO DOWNLOAD MAT 540 Week 2 Quiz Question 1 If variable costs increase‚ but price and fixed costs are held constant‚ the break even point will decrease. Question 2 Parameters are known‚ constant values that are usually coefficients of variables in equations. Question 3 Probabilistic techniques assume that no uncertainty exists in model parameters. Question 4 In general‚ an increase in price increases the break even point if all costs are held constant. Question 5 P(A | B) is the
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as yes-no‚ build-no build or invest-not invest. Although one can model a binary decision in linear programming with a variable that ranges between 0 and 1‚ there is nothing that keeps the solution from obtaining a fractional value such as 0.5‚ hardly acceptable to a decision maker. Integer programming requires such a variable to be either 0 or 1‚ but not in-between. Unfortunately integer programming models of practical size are often very difficult or impossible to solve. Linear programming methods
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Week 1 quiz Week 1‚ Quiz 1 Points Received 40/40 (100%) 1. Total cost equal the fixed cost plus the variable cost per unit divided by volume • True • False 2. Objective probabilities that can be stated prior to the occurrence of an event are • Subjective • A priori • Classical or a priori • None of the above 3. An experiment is an activity that results in one of several possible outcomes. • True
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Step 1 For step‚ one I generated a column of random numbers‚ which will help me to determine the weeks between breakdowns. I used the equation in excel =Rand( ). Next‚ I generated a column to determine the weeks between breakdowns. I used the formula in excel =8*SQRT(r) and used the previous mentioned randomly generated numbers. Once I had the randomly generated weeks‚ I created a column for the cumulative weeks to reach around the 52-week mark. Step 2 Step 2 I generated another
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TQuantitative Methods – MAT 540 Student Course Guide Prerequisite: MAT 300 Quarter Meeting Days/Time Instructor Instructor Phone Instructor E-mail Instructor Office Hours/Location Academic Office Phone Number Strayer Technical Support INSTRUCTIONAL MATERIAL – Required ( including all mandatory software) 1-877-642-2999 Taylor‚ B. M. (2010). Introduction to management science (10th ed.). Upper Saddle River‚ NJ: Pearson/Prentice Hall. QM for Windows and Treeplan add-on for Excel. This software
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CLICK TO DOWNLOAD MAT 540 WEEK 1 TO 11(Strayer) MAT540 Week 1 Homework Chapter 1‚ Problems 2‚ 4‚ 12‚ 14‚ 20‚ 22 2. The Retread Tire Company recaps tires. The fixed annual cost of the recapping operation is $60‚000.The variable cost of recapping a tire is $9.The company charges $25 to recap a tire. a. For an annual volume of 12‚000 tires‚ determine the total cost‚ total revenue‚ and profit. b. Determine the annual break-even volume for the Retread Tire Company operation. 4. Evergreen
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ANSWERS 1. Consider the trade-story as if it describes two separate trades‚ where: In the first trade‚ the man buys something for $60 and sells it again for $70‚ so he makes a profit of $10. In the second trade‚ the man buys something for $80 and sells it again for $90‚ so he makes again a profit of $10. Conclusion: The man makes an overall profit of $10 + $10 = $20. You can also look at the problem as follows: The total expenses are $60 + $80 = $140 and the total earnings are $70 + $90 = $160
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Group Assignment 1 According to the output‚ three variables (section‚ bed and pool) are insignificant because the p-value of them are larger than 0.05. The relationship between the selling price and variables should be: Y= -49.59+4.04X1+32.97X2+11.09X3+29.15X4+22.52X5+12.92X6-25.66X7+1.59X8 X1=lot size X2=number of bathrooms X3= number of other rooms X4= number of stories X5 =number of fireplaces X6 = car garages X7 =whether or not the lot is fenced X8= age Q4: Based on the results
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2 1 3 4 2 5 6 3 7 8 4 9 10 5 11 12 6 13 1 7 Shelley saw a wounded dog He brought it home He loved .the dog 26 The dog too __________________ 27 ________________ to trace the owner 28 One day ‚ a lady ------------------------------ 29 The dog’s real name ______________ 30 2 The dog had to be given back‚ as 3 8 4 5 9 Savings10% Food 30% Rent 30% Entertainment 5% Education 20%
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