2. Solve the LP using isocost method.Min Z = 2x + ys.t.x + y ≥52x + 6y ≥ 183x - y ≥ 3x-2y ≤4x, y ≥ 0

Linear Programming Problems (LPP): To find the optimal answer to a mathematical model, linear…

Answered: 2. Solve the LP using isocost method.…

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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Problem 1Human visual inspection is necessary in many quality engineering contexts and is naturallysubject to subjectivity. This is especially true for the inspection of solder joints on circuit boards,as there are numerous types of solder defects, as well as a degree to which a joint possessesone or more defect. Consequently, even highly trained inspectors can disagree on the status ofa particular joint. In a batch of 10,000 such joints, inspector A found 724 to be defective,inspect B found 751 to be defective, and 1159 of the joints were judged to be defective by atleast one of the inspectors. Suppose that one of the 10,000 joints is randomly selected.a. What is the probability that the selected joint was judged to be defective by neither ofthe two inspectors?b. What is the probability that the selected joint was judged to be defective by inspector Bbut not by inspector A?
Consider the ANOVA table that follows. Analysis of Variance Source DF SS MS F p Regression 2 77.907 38.954 4.14 0.021 Residual Error 62 583.693 9.414 Total 64 661.600 a-1. Determine the standard error of estimate. (Round your answer to 3 decimal places.) a-2. About 95% of the residuals will be between what two values? (Round your answers to 3 decimal places.) b-1. Determine the coefficient of multiple determination. (Round your answer to 3 decimal places.) b-2. Interpret the coefficient of multiple determination. (Round your answer to 1 decimal place.) Determine the coefficient of multiple determination, adjusted for the degrees of freedom. (Round your answer to 3 decimal places.) Prev Question 5 of 30 Total5 of 3
Characteristics that unique to each model, Hofstede Dimension and K-S Dimension
Tucson Machinery, Inc., manufactures numerically controlled machines (NCM), which sell for an average price of $12 million each. Sales for these NCMs for the past two years were as follows: Quantity (units) Quantity (units) Quarter Last year ||| III IV 12 18 20 24 Quarter This year | || ||| IV 20 24 28 32 Find the equation of a simple linear regression line using Excel, in the format of Y=a+bX. Keep two decimals of a and b. Forecast the first quarter sales for next year. Keep two decimals.
#3) Calls to a college emergency hotline for the past 29 months are as follows: Month Calls Month Calls 1 45 16 50 2 30 17 50 3 20 18 35 4 35 19 30 5 40 20 55 6 30 21 70 7 15 22 45 8 25 23 35 9 30 24 37 10 15 25 46 11 10 26 17 12 35 27 33 13 50 28 40 14 30 29 60 15 20 a) Create a time series plot. b) Develop a six period moving average. What is the forecast for month 30? c) Develop an exponential smoothing forecast with a smoothing constant of 0.65. What is the forecast for month 30? d) Calculate the MAD, MSE, and MAPE for each model in problems b, and c. Which model is the better predictor? e) Actual calls during month 30 were 55. Which model is the better predictors? Explain. f) Excel file
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How do I calculate Yt_hat? t Yt Xt Yt-1 Yt_hat 1 400000 15 * * 2 1042000 12 400000 823476 3 1129000 24 1042000 1006203 4 1110000 18 1129000 1214637 5 1336000 18 1110000 1200675 6 1363000 30 1336000 1077727 7 1177000 27 1363000 1169820 8 603000 24 1177000 1105401 9 582000 36 603000 394615 10 697000 27 582000 595944 11 586000 24 697000 752698 12 673000 27 586000 598883 13 546000 30 673000 590557 14 334000 33 546000 424985 15 27000 24 334000 485967 16 76000 27 27000 188132 17 298000 30 76000 151884 18 746000 18 298000 604021 19 962000 21 746000 860957 20 907000 24 962000 947419
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Tucson Machinery, Inc., manufactures numerically controlled machines, which sell for an average price of $14.0 million each. Sales for these NCMs for the past two years were as follows: Use Exhibit 3.10. QUARTER LAST YEAR I II III IV QUANTITY (UNITS) Y = 14 20 28 18 QUARTER THIS YEAR I II III IV QUANTITY (UNITS) 20 26 30 15 a. Find the equation of a simple linear regression line using Excel. (Round your answers to 3 decimal places.) > Answer is complete but not entirely correct. 18.535 X + 0.630 t

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2. Solve the LP using isocost method. Min Z = 2x + y s.t. x + y ≥5 2x + 6y ≥ 18 3x - y ≥ 3 x-2y ≤4 x, y ≥ 0