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The managers of the Grand Hotel are evaluating the possibility of setting up a computer area where conference attendees can check their e-mail on computers provided by the conference organizers. There will be one common queue for all computers, and only one person uses a computer at a time. On average there are 12 attendee arrivals per hour, and the standard deviation of the time between arrivals is 2.5 minutes. The average time that a person spends on the computer is 20 minutes, with a standard deviation of 10 minutes. Suppose the organizers decide to install 5 computers. GH1. What is the average utilization of the 5 computers? GH2. What is the expected time (in minutes) that an attendee will have to wait for a computer to become available? GH3. How long (in minutes) will the average computer be empty during an 8-hour day? ???1 GH4. What is going to be the average number of attendees in the computer area (either waiting for a computer or using a computer)? (Your answer does NOT have to be an integer.) GH5. The firm does not want the average waiting time to be higher than 0.1 minute. What is the minimum total number of computers that the firm will have to install to meet this goal? There are 5 coin-operated massage chairs at Philadelphia's 30th Street train station. The length of time that each customer spends in a massage chair averages 12 minutes and has a standard deviation of 5 minutes. Customers pay $0.50 per minute for the massage. On average, every hour there are 15 potential customers interested in receiving a massage at one of these chairs. The inter-arrival times are assumed to be exponentially distributed. If no spot is available when the customer arrives, then the customer goes away. TM1. What is the probability that an arriving customer will find all massage chairs occupied? TM2. On average, how much revenue does Train Massage collect over the course of one hour? ??3 TM3. How would that number change if the coefficient of variation of the massage time were reduced to zero?
Which of subsequent is not likely to command much strategic attention from top executive of companies pursuing an unrelated diversification strategy.
A large bakery buys flour in 25-pound bags. The bakery uses an average of 1215 bags a year. Preparing an order and receiving a shipment of flour involves a cost of $10 per order. Annual carrying costs are $75 per bag.
Evaluation of the various organizations that are benchmarks in purchasing and supply management, and their best practices. Provide specific examples of companies who show market leadership in purchasing and supply management.
Based upon Six-Sigma theory, explain how would you rate this performance, other things being equal.
The amount invested in personal loans cannot exceed the amount invested in bonds. The amount invested in home loans cannot exceed the amount invested in auto loans
Given the projected demands for the next six months, prepare an aggregate plan that uses inventory, regular time, overtime, subcontract and backorders. Regular time is limited to 170 units per month (Cost per Unit = $30 ).
An order fulfillment process normally operates two shifts a day, five days per week. Under normal conditions, 380 orders can be processed per shift. What is the daily capacity?
Distinguish between pure and mixed strategies in production planning. Provide examples of each strategy.
you are the manager of the production department and the project manager will come from your group. this will be a
Why are so many companies using 360 degree feedback systems? Illustrate what are benefits also disadvantages of this. Why should managers provide ongoing also frequent feedback to employees about their performance.
what are some of the positive and negative impacts of federally mandated socioeconomic programs, goals, and quotas within the federal government contracting process?
What management, organization, and technology issues had to be addressed when implementing Business Sufficiency, Business Sphere, and Decision Cockpits?
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