Operations Management 13th. Edition by Stevenson, William J. | 9781259667473 | 1259667472 | Holooly

Operations Management

Operations Management

195 SOLVED PROBLEMS

Question: 5.p.4

A manager must decide which type of equipment to buy, Type A or Type B. Type A equipment costs $15,000 each, and Type B costs $11,000 each. The equipment can be operated 8 hours a day, 250 days a year. Either machine can be used to perform two types of chemical analysis, C1 and C2. Annual service ...

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Total processing time (Annual volume × Processing ...

Question: 12.SP.2

Material Requirements Plan Setup Guide Twelve units of the end item are needed at the beginning of week 6. Prepare a material requirements plan for component D given that there is a scheduled receipt of 10 units of subassembly A in week 3 plus the following information. ...

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Question: Appendix.C.4

Find the area under the curve that is outside of two standard deviations from the mean. ...

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What the problem is asking for: Appendix B Table ...

Question: 19.SP.1

A small construction firm specializes in building and selling single-family homes. The firm offers two basic types of houses, model A and model B. Model A houses require 4,000 labor hours, 2 tons of stone, and 2,000 board feet of lumber. Model B houses require 10,000 labor hours, 3 tons of stone, ...

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1. Formulate the objective function and constraint...

Question: 17.SP.3

A path in a network has three activities. Their standard deviations are 1.50, 0.80, and 1.30. Find the path standard deviation. ...

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Standard deviations cannot be added, but variances...

Question: 16.SP.3

Priority rules. Using the job times and due dates from Solved Problem 2, determine each of the following performance measures for first-come, first-served processing order: Assume jobs listed in order of arrival. a. Makespan b. Average flow time c. Average tardiness d. Average number of jobs at the ...

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Job Job Time Flow Time Hour Due Hours Tardy a 12...

Question: 16.SP.1

The assignment method. The following table contains information on the cost to run three jobs on four available machines. Determine an assignment plan that will minimize costs. ...

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In order for us to be able to use the assignment m...

Question: 16.2

Determining Job Sequences Using Various Rules Processing times (including setup times) and due dates for six jobs waiting to be processed at a work center are given in the following table. Determine the sequence of jobs, the average flow time, average tardiness, and average number of jobs at the ...

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a. The FCFS sequence is simply A-B-C-D-E-F. The me...

Question: 16.1

Using the Assignment Method to Make Job Assignments Determine the optimum assignment of jobs to workers for the following data (from Table 16.1): ...

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a. Subtract the smallest number in each row from e...

Question: 14S.1

Comparing the Costs of Preventive Maintenance and Breakdown Maintenance The frequency of breakdown of a machine per month is shown in the table. The cost of a breakdown is $1,000 and the cost of preventive maintenance is $1,250 per month. If preventive maintenance is performed, the probability of a ...

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The expected number of breakdowns without preventi...

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