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Consider the model below for scheduling postal workers to 5 day shifts:
Minimize z = MF + TS + WSu + ThM + FT + SW + SuThSubject to MF + ThM + FT + SW + SuTh = 17MF + TS + FT + SW + SuTh = 13MF + TS + WSu + SW + SuTh = 15MF + TS + WSu + ThM + SuTh = 19MF + TS + WSu + ThM + FT = 14TS + WSu + ThM + FT + SW = 16WSu + ThM + FT + SW + SuTh = 11
Non-negativity constraints
Here, MF for example, is the number of workers assigned to the shift that starts on Monday and runs through Friday. Note that this model allows a worker to be assigned to a shift and only dedicate a fraction of his efforts to the tasks that make up the requirements. Workers like these dedicate the remainder of their efforts to, say, strategic projects. What is the minimum number of workers required? Must include all model and solver formulas in excel.
Test the claim of the brewery about the mean volume equal to 32 oz. at the 0.05 significance level. It's your choice whether to use z or t.
Ten pairs of points yielded a correlation coefficient of 0.790. If α = 0.05, which of the following statements is correct if H0 = ρ0?
Graph the least-squares line on your scatter diagram. Be sure to use the point (x, y) as one of the points on the line.
One question that I have is: Will these sample statistics accurately estimate the purchasing habits of all our customers? Can you share some of your thoughts on that question? Why or why not?
The researchers found that subjects who answered immediately made the best decisions and that "the longer our participants thought about their answers, the more likely they were to include irrelevant information at the expense of relevant informat..
Assume that a sample is drawn and z(α/2) = 1.65 and σ = 35. Answer the following questions. (A) If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?
Your firm has classified orders as either large or small in dollar amount and as either light or heavy in shipping weight. In the recent past, 28% of orders have been large dollar amounts
Exam is given to 20 randomly chosen students and their average length of t time needed to finish exam was 54 minutes with standard deviation of 5.99 minutes. Test instructor's claim at the 0.05 level of significance.
Use the Fama-French 3-Factor model to run the following tests and alternative techniques to account for violations of the classical linear regression assumptions
for University Y, M = 4, S2 = 1.5; and for University Z, M = 6, S2 = 2.5. What should you conclude? Use the .05 level. (a) Use the steps of hypothesis testing, (b) figure the effect size for the study.
You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If convenien..
Make use of normal probability distribution features of EXCEL to help determine the probability.
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