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Management Leadership
If 300 of these chips are used in building a mainframe computer, how many failures of the computer can be expected per month?
Using either your analytical solution found in Problem 1, or the graphical solution found in Problem 2, identify the volume ranges where each process should be used.
Given the probabilities below, calculate the expected breakdown cost. Number of Breakdowns _______________ Daily Frequency 0 ....................................................... 3 1
Joanna French is currently working a total of 12 hours per day to produce 240 dolls. She thinks that by changing the paint used for the facial features and fingernails that she can increase her rate
Our main distribution center in Phoenix, AZ is due to be replaced with a much larger, more modern facility that can handle the tremendous needs that have developed with the city's growth. Fresh
A company is planning on expanding and building a new plant in one of three countries in Middle or Eastern Europe. The general manager, Patricia Donegal, has decided to base her decision on six
Assume that Patricia decides to use the following weights for the critical success factors: Technology availability and support.....................0.3 Availability and quality of public
Patricia's advisors have suggested that Turkey and Slovakia might be better differentiated by either (a) doubling the number of critical success factors, or (b) breaking down each of the existing
A major drug store chain wishes to build a new warehouse to serve the whole Midwest. At the moment, it is looking at three possible locations. The factors, weights, and ratings being considered are
Balfour's is considering building a plant in one of three possible locations. They have estimated the following parameters for each location: Location Fixed Cost Variable Cost Waco,
As in most kitchens, the baking ovens in Lori's Kitchen in New Orleans are located in one area near the cooking burners. The refrigerators are located next to each other as are the dishwashing
A firm must produce 40 units/day during an 8-hour workday. Tasks, times, and predecessor activities are given below.Determine the cycle time and the appropriate number of workstations to produce the
Develop a Process Chart for making a grilled cheese sandwich.
Develop an Activity Chart for doing three loads of laundry.
How would total (multifactor) productivity change if using the new paint raised Ms. French's material costs by $0.50 per doll?
Develop a Process Chart for changing the oil in an automobile.
Develop an Activity Chart for writing a term paper.
Carolyn Barrett, a marketing surveyor, takes an average of 10 minutes to complete a particular questionnaire. Carolyn's performance rating (pace) is 110% and there is an allowance of 15%. What is the
Tom Leonard, of Leonard, Spitz, and Wareham, takes 3 hours and 25 minutes to write an end of month report. Tom is rated at 95% (work pace is 95%) and the office has a personal time allowance of 8%.
The two steps in preparing chocolate candy bars are molding and packaging. Personal fatigue and delay allowances are set at 15%. The molding machine operator is rated at 110% and the packer is rated
A work-study sample of a manufacturing activity conducted over a 40-hour period shows that a worker with an 85% rating produced 12 parts. The worker's idle time was 10% and the allowance factor was
Jim and Bob recently time-studied a janitorial task. From a sample of 75 observations, they computed an average cycle time of 15 minutes with a standard deviation of 2 minutes. Was their sample large
Consider the following task broken down into 5 MTM elements:What is the total time for the task?
Presume that Litely carries a modern white kitchen ceiling lamp that is quite popular. The anticipated demand during lead time can be approximated by a normal curve having a mean of 180 units and a
If she uses the new paint, by what amount could Ms. French's material costs increase without reducing total (multifactor) productivity?
A firm has 1,000 "A" items (which it counts every week, i.e., 5 days), 4,000 "B" items (counted every 40 days), and 8,000 "C" items (counted every 100 days). How many items should be counted per day?
Assume that the demand was actually higher than estimated (i.e., 500 units instead of 360 units). What will be the actual annual total cost?
Phil Carter, President of Carter Computer Components, Corp. has the option of shipping computer transformers from its Singapore plant via container ship or airfreight. The typical shipment has a
What are the appropriate ABC groups of inventory items?
Set the following problem up in transportation format and solve for the minimum cost plan.
If the TOL file cabinet has a gross material requirements plan as shown below, no inventory, and 2 weeks of lead time is required for assembly, what are the order release dates and lot sizes when lot
If the TOL file cabinet has a gross materials requirements plan as shown below, no inventory, and 2 weeks of lead time is required for assembly, what are the order release dates and lot size when lot
The Hunicut and Hallock Corporation makes two versions of the same basic file cabinet, the TOL (Top-of-the-line) five drawer file cabinet and the HQ (High-quality) five drawer filing cabinet. The TOL
Develop a gross material requirements plan for the TOL and HQ cabinets in the previous example.
Develop a net material requirements plan for the TOL and HQ file cabinets in the previous problems assuming a current on-hand finished goods inventory of 100 TOL cabinets. The lead times are given
Identify how changes in the external environment may affect the OM strategy for a company. For example, what impact are the following factors likely to have on OM strategy? a. The occurrence of a
If the TOL file cabinet has a gross material requirements plan as shown below, no inventory, and 2 weeks lead time is required for assembly, what are the order release dates and lot sizes when lot
Assume that Susan is a sorority pledge coordinator with four jobs and only three pledges. The table below gives the expected time for each pledge to do each job.If she wishes to minimize the time
A custom furniture shop has the five jobs below to be done and they are unsure how to sequence them through the shop.Compare the effect of the scheduling methods (a) FCFS (first come, first
A firm has the following six jobs waiting to be processed:Develop the appropriate sequencing for these jobs using the Critical Ratio criteria.
Our furniture manufacturer has the following five jobs that must go through the two work centers in the table below:What is the appropriate sequence for these jobs?
Bryant Electronics produces short runs of battery-powered pocket lanterns. You have been asked to reduce inventory by introducing a kanban system. After several hours of analysis you have developed
Perkins Lighting wishes to employ a kanban in their new floor lamp production system. For the floor lamp base, they have provided the following information: Daily demand 300 units Holding cost
John Galt Shipping wishes to ship a product that is made at two different factories to three different warehouses. They produce 18 units at Factory A and 22 units at Factory B. They need 10 units in
Assume that in Problem 1 the demand at each warehouse is increased by 4 units. Now how many units should be shipped from each factory to each warehouse?
A repairman at a local metal working shop services their five drill presses. Service time averages 10 minutes and is exponentially distributed. Machines breakdown after an average of 70 minutes
Identify how the changes in the internal environment affect the OM strategy for a company. For example, what impact are the following factors likely to have on OM strategy? a. The increased use of
Assume that the information desk employee in Problem 1 earns $10 per hour. The cost of waiting time, in terms of customer unhappiness with the mall, is $12 per hour of time spent waiting in line.
Three students arrive per minute at a coffee machine that dispenses exactly four cups per minute at a constant rate. Describe the system parameters.
Chad's Pottery Barn has enough clay to make 24 small vases or 6 large vases. He has only enough of a special glazing compound to glaze 16 of the small vases or 8 of the large vases. Let X1 = the
A fabric firm has received an order for cloth specified to contain at least 45 pounds of cotton and 25 pounds of silk. The cloth can be woven out of any suitable mix of two yarns A and B. They
Jeff Heyl, the owner of Bascomb's Candy (Problem 1 and 2 above) realizes that he should get more information before making his final decision. He decides to contract with a market research firm to
The initial external tank for NASA's Space Shuttle took 400 hours of labor to produce. The learning rate is 80%. How long will the twentieth tank take?
An operation has a 90% learning curve and the first unit produced took 28 minutes. The labor cost is $20 per hour. (a) How long will the second unit take? (b) How much should the second unit cost?
The time between arrivals at a drive-through window of a fast-food restaurant follows the distribution given below. The service time distribution is also given in the table. Use the random numbers
Average daily sales of a product are 8 units. The actual number of units each day is 7, 8, or 9 with probabilities 0.3, 0.4, and 0.3 respectively. The lead time for delivery of this product averages
Using the data from Problem 1, how long will it take to produce all 20 tanks? In problem 1 The initial external tank for NASA's Space Shuttle took 400 hours of labor to produce. The learning rate is
The following represent activities in a major construction project. Draw the network to represent this project. Activity ......................................... Immediate Predecessor A
Bascomb's Candy is considering the introduction of a new line of products. In order to produce the new line, the bakery is considering either a major or minor renovation of the current plant. The
With major renovation, at Bascomb's Candy (Problem 1 above) the payoff from a favorable market is $100,000, from an unfavorable market $ − 90,000. Minor renovations and favorable market has a
The average range of a process is 10 lbs. The sample size is 10. Use Table S6.1 to develop upper and lower control limits on the range.
Twenty-five engine mounts are sampled each day and found to have an average width of 2 inches, with a standard deviation of 0.1 inches. What are the control limits that include 99.73% of the sample
Several samples of size n = 8 have been taken from today's production of fence posts. The average post was 3 yards in length and the average sample range was 0.015 yard. Find the 99.73% upper and
Based on samples of 20 IRS auditors, each handling 100 files, we find that the total number of mistakes in handling files is 220. Find the 95.45% upper and lower control limits.
There have been complaints that the sports page of the Dubuque Register has lots of typos. The last 6 days have been examined carefully and the number of typos/page is recorded below. Is the process
The design capacity for engine repair in our company is 80 trucks/day. The effective capacity is 40 engines/day and the actual output is 36 engines/day. Calculate the utilization and efficiency of
Find the break-even point in $ and in units. Given: F = fixed cost = $1000 V = variable cost = $2 / unit P = selling price = $4 / unit
Jack's Grocery is manufacturing a "store brand" item that has a variable cost of $0.75 per unit and a selling price of $1.25 per unit. Fixed costs are $12,000. Current volume is 50,000 units. The
Given the following Time Chart and Network Diagram, find the Critical Path.
What are the break-even points ($ and units) for the two processes considered in Problem 4? In problem 4 Jack's Grocery is manufacturing a "store brand" item that has a variable cost of $0.75 per
Good News! You are going to receive $6,000 in each of the next 5 years for sale of used machinery. A bank is willing to lend you the present value of the money in the meantime at discount of 10% per
Contrast a project from a non-project?
A company has established a project team to identify a location for a new manufacturing facility. Use a weighted scoring model to analyze three candidate locations (A, B, C) for setting up the new
(a) Compare your answer in Problem 20 to the answer you would have found if you had used an un-weighted, 0-1 scoring model. Assume that a score of 1 means does not qualify and a 2 or 3 means it does
Nina has been asked to lead a team that has been tasked with finding a new location for a boutique concept her company would like to test. The team has identified four candidate shopping centers to
Contrast win-lose negotiation, lose-lose negotiation and win-win negotiation and explain why the latter is so important in project management?
A marketing firm is trying to win a major contract from a large retail company and is concerned with four major threats.(1) Competition: the probability of very competitive bids is high at 0.6, and
A marketing analyst has investigated each of the four threats in Problem 22 in terms of NOT being able to ameliorate them and has come up with the following values (again, on a 7 point scale) for
Prepare a WBS using MSP with the steps that must be completed before Vern Toomey can contact outsourcing vendors. If Vern starts on August 1, 2016, how long will it take to get ready to contact
1. Why does Fred want to be project manager? 2. What sort of systems can Fred set up so that he sees that the project gets managed without having to do it himself?
Critique the launch meeting. Are there aspects you think are worth emulating? Are there aspects you would do differently?
Develop a mind map for this project using the ideas shared in the meeting and other ideas that occur to you?
Review your mind map and identify risky potential failure points. Which are the most serious? Which are the most likely? Determine the most critical failure points by calculating all their RPNs. For
The IT unit of a company has been asked to prepare a budget for a special software package project. The group has considerable experience with similar tasks and submits the costs in the following
Reconsider the following problem from Chapter 1: A four-year financial project is forecast to have net cash inflows of $20,000; $25,000; $30,000; and $50,000 in the next 4 years. It will cost $75,000
Information about the cash flows for a four-year financial project are listed in the following table. The cash flows are assumed to follow a triangular distribution. The cost of implementing the
This project involves the landscaping of a building site?
Provided are the predecessors, normal time, normal cost, crash time and crash cost for an eight activity (a to h) project?
The project in this problem is in its 26th week?
The project being considered in this problem is in its 6th week. It is helpful to draw the network to solve this problem?
This assignment involves repeating problem 27 using MSP?
Resolve Problem 27 using the 50-50 rule for planned value and earned value?
What should Mary Lynn do?
Calculate the schedule variance and cost variance for the Bullwhip project?
Does Jimmy's point about the material costs have merit? If so, does this have any implications for the way the earned valued is calculated at Peak?
What advice, if any, would you offer Eric related to his new role of VP of Operations?
Do you have any concerns about the audit process at ITS? If so, what are they and what changes to their auditing process would you recommend for the future?
Critique the audit report. What are its strengths and weaknesses?
What are the pros and cons of using an external auditor in this situation?
1. If Microsoft does not build a cloud computing business, what might happen to the company over the next decade? Why did the company decide that it had little choice but to invest in cloud
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