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The typical subway station in Washington, DC, has six turnstiles, each of which can be controlled by the station manager to be used for either entrance or exit control - but never for both. The manager must decide at different times of the day how many turnstiles to use for entering passengers and how many to use for exiting passengers. At the GWU Station, passengers enter the station at a rate of about 84 per minute between the hours of 7 AM and 9 AM. Passengers exiting trains at the stop reach the exit turnstile area at a rate of about 48 per minute during the same morning rush hours. Each turnstile can allow an average of 30 passengers per minute to enter or exit. Arrival and service times have been though to follow Poisson and exponential distributions, respectively. Assume rides form a common queue at both entry and exit turnstile areas and proceed to the first empty turnstile. The GWU station manager, Ernie Forman, does not want the average passenger at his station to have to wait in a turnstile line for more than 6 seconds, nor does he want more than 8 people in any queue at any average time. a) How many turnstiles should be opened in each direction every morning? (PLEASE WRITE OUT EQUATIONS) b) Discuss the assumptions underlying the solution of this problem using queuing theory.
The local convenience store makes personal pan pizzas. Currently, their process makes complete pizzas, fully cooked, for the customer. This process has a fixed cost of $20,000,
Businesses to continue to succeed must always maintain a competitive advantage in the marketplace. The key to doing this has changed over the last century as is illustrated in our discussion in week one of the 21st century business challenges. Using ..
Daunte is frustrated about management's recent decision to merge his two teams into one. He discusses this issue with Claire, a so-worker. Claire responds by saying, "Its sounds like management's decision really bothers you."
Describe a common process related to supply chain management. Illustrate what software tools are available to help plan the process.
The business firm is no longer just a place where people come to work. For most of the employees, the firm confers on them that sense of belonging and identity-the firm has become their "village", their community.
Describe in detail the progression that products and services undergo during the product life cycle. How does the marketing mix play into the PLC model in each stage? Types of buyers? How does the Boston Consulting Group interface with the PLC?
How many observations would be needed to estimate the mean time for element 2 within 1 percent of its true value with a 95.5 percent confidence? How many observations would be needed to estimate the mean time for element 2 within .01 minute of its..
Outline the major theories of organizations. Describe the techniques of managing change
Imagine you are the marketing manager for a U.S. manufacturer of paper products (including paper plates, paper towels, napkins, toilet paper, and tissues).
A firm has 1,500,000 in its common stock account and 1,000,000 in its paid in capital account. The firm issued 100,000 share of common stock. What was the original issue price if only one stock issue has ever been sold?
What are some reasons for using a software tool like MS Project for effective risk management? Please provide specific examples to support the main points.
How Technology can Benefit or Harm the User, the Environment & Society? The positive and negative effects of technology for the user, the environment and society
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