Example 12.32. Four jobs are to be done on four different machines. The cost (in ru-pees) of producing ith job on the jth machine is given below :MachinesM₁M₂MyM₁J₁15111315J.,₂17121213Jobs1415 E10 %14J416131117Assign the jobs to different machines so as to minimize the total cost.

Number of rows = 4 Number of columns = 4 Therefore the problem is balanced find the minimum element…

Answered: Example 12.32. Four jobs are to be done…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question 1. A researcher wants to study the effect of a price change on the sales of various brands of a certain product. Assume the market is made up of four brands - W, X, Y and Z- and the price change (decrease) for brand W is introduced immediately after time t0. Assume every respondent buys exactly one unit of the product in each period. Data on number of respondents buying each brand in each period, based on a panel, are as follows: Y W 175 25 100 25 25 Y 25 50 50 25 Note: Confine your attention only to the data presented Assume the world starts at to and stops after ti and the strategies of brands X, Y, and Z are unchanged between to and ti. c) Which brand(s) other than W exhibited the highest loyalty rate? Show your calculations. d) Which of the brands X Y, Z should be most worried about W's promotion? Show your calculations. to
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The manager of an assembly process wants to determine whether or not the number of defective articles manufactured depends on the day of the week the articles are produced. She collected the following information. Is there sufficient evidence to reject the hypothesis that the number of defective articles is independent of the day of the week on which they are produced? Use ? = 0.01. Day of Week M Tu W Th F Nondefective 87 93 99 99 92 Defective 11 6 3 3 9 (a) Find the test statistic. (Round your answer to two decimal places.)(ii) Find the p-value. (Round your answer to four decimal places.)(b) State the appropriate conclusion. Fail to reject the null hypothesis. There is not significant evidence that the number of defective articles is not independent to day of the week.Fail to reject the null hypothesis. There is significant evidence that the number of defective articles is not independent to day of the week. Reject the null hypothesis. There is…
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Example 12.32. Four jobs are to be done on four different machin es) of producing ith job on the jth machine is given below : Machines M₁ M₂ My M₁ J₁ 15 11 13 12 12 J.₂ 17 15 10 Jobs Jy 14 15. 13 14