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1. Consider the MSA marketing research example dis- cussed in Section 3.3 (page 74) of Chapter 3. Use the Sensitivity Report for this LP model (shown in Screenshot 4-7 on page 150) to answer the following questions. Each question is independent of the others. (a) What is the maximum unit cost that will make it worthwhile to include in the survey persons 30 years of age or younger who live in a border state? (b) What is the impact if MSA wants to increase the sample size to 3,000?
2. Suppose that Strollers-to-Go (Problem 4-24) is considering the production of TwinTotes for fami- lies who are doubly blessed. Each TwinTote would require $7.10 in materials, 4 hours of fabrication time, 2 hours of sewing time, and 2 hours to assem- ble. Would this product be economically attractive to manufacture if the sales price were $86? Why or why not?
3. Consider the Classic Furniture product mix problem (Problem 4-28). For each of the following situations, what would be the impact on the production plan and profit? If it is possible to compute the new profit or production plan, do so. (a) OFCs for oak tables and cherry tables each decreases by $15. (b) OFCs for oak tables and oak chairs are reversed. (c) OFCs for pine tables and pine chairs are reversed. (d) OFCPine Table increases by $20 while at the same time the OFCPine Chair decreases by $10. (e) Unit profits for all three types of chairs are increased by $6 each.
Questions from book managerial decision modeling.
according to the national health and nutrition examination survey published by the national center for health
What standard deviation (within 0.001 inch) minimizes the annual cost of producing elevator rails? You do not need to try standard deviations in excess of 0.02 inch
one article reports that in a sample of 355 calves less than 4 days old 106 had lesions on their bronchial lymph nodes
Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households at random, what is the probability that every household has a cellular telephone?
Capital punishment law is among the most complex bodies of law in the US. As a result of frequent errors, the Trial Judges Assn. has developed a special training course to try to cut down on the errors.
1. State the Null Hypothesis and the Alternative Hypothesis
"If you took 40 employees at random from the corporation, there is a pretty good chance the average number of days absent would be 12 or more. That's what happened to us-chance variation." Is this a good defense? Justify your answer.
Of the adult books, 70 are nonfiction while 60 of children's books are nonfiction. If the book is selected at random, determine the probability that is is?
The speeds of vehicles (in mph) passing through a section of Highway 75 are recorded for a random sample of 150 vehicles and are given below. Test the hypothesis that the speeds are normally distributed with a mean of 70 and a standard deviation o..
assume the 67 of the cars on a particular freeway are traveling faster than 70 miles per hour. a random sample of 15
researchers collected data from a random sample of men and women to determine if women spend more time doing housework
The level of nitrogen oxides measured in grams per mile in the exhaust of cars of a particular model follows a normal distribution: X~N (0.25, 0.05). Government regulations call for NOx emissions to be no higher than 0.3g/mi. Suppose that a sample..
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