Essentials of Business Analytics (MindTap Course List)
Essentials of Business Analytics (MindTap Course List)
2nd Edition
ISBN: 9781305627734
Author: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher: Cengage Learning
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Chapter 11, Problem 16P

Consider the following network representation of a transportation problem:

Chapter 11, Problem 16P, Consider the following network representation of a transportation problem:

The supplies, demands,

The supplies, demands, and transportation costs per unit are shown on the network. What is the optimal (cost minimizing) distribution plan?

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The following table contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. a. Draw the network diagram for the project below.​​​​​ b What is the critical path and completion time for the project?​​​ c. Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration.​​​​​​​​   Activity Normal Time Crash Time Normal Cost Crash Cost Predecessor A 10 7 2,000 2,600   B 12 8 1,500 2,000 A C 16 12 2,200 3,000 A D 8 7 2,500 3,000 B E 12 9 1,950 2,275 C F 9 8 800 1,000 D G 24 19 3,650 4,000 E, F H 17 14 1,200 1,800 G
The accountant of Royal Products provided the following information for purposes of determining the optimal product mix: Product King (K)                                               Product Queen (Q) Marginal income per unit R30                                 R36Machine hours required per unit 6                            6Marginal income per machine hour R5                     R6Ranking in terms of machine hours 2nd                   1stLabour hours required per unit 3                               6Marginal income per labour hour R10                      R6Ranking in terms of labour hours 1st                       2ndAnnual demand for product in units 12 000          15 000Labour hours available per annum 65 000 Machine hours available per annum 82 000 Required: Determine the optimal product mix by means of the application of linear programming techniques. (Hint: Start with your objective function and all necessary constraints.)
Jensen Tire & Auto is in the process of deciding whether to purchase a maintenance contract for its new computer wheel alignment and balancing machine. Managers feel that maintenance expense should be related to usage, and they collected the following information on weekly usage (hours) and annual maintenance expense (in hundreds of dollars). Weekly Usage(hours) AnnualMaintenance Expense 19 24 16 29 26 37 34 44 38 54 23 38 30 40 37 46 46 59 44 47 -select your answer choices-  b. p-value less than 0.01  between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10 Conclusion Do not conclude that there is a significant relationship between expense and weekly usage Conclude that there is a significant relationship between expense and weekly usage d.  No, the expected maintenance expense is less than $3000 Yes, the expected maintenance expense is greater than $3000
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