A public utility intends to buy a turbine as part of an expansion plan and must now decide on the number of spare parts to order. Onc part, no. X135, can be purchased for $170 each. Carrying and disposal costs are estimated to be 190 percent of the purchase price over the life of the turbine. A stockout would cost roughly $110,000 due to downtime, ordering, and "special purchase" factors. Historical records based on the performance of similar equipment operating under similar conditions suggest that demand for spare parts will tend to approximate a Poisson distribution with a mean of 4.4 parts for the useful life of the turbine. Use Table C. a. What is the optimal number of spares to order? Optimal number of spares b. Carrying no spare parts would be the best strategy for what range of shortage cost? (Round your answer to 2 decimal places.) Shortage cost Cs

Describe Queueing models involving non-exponential distribution?

Answer C only. Tim Woods, a recent GMU MBA grad and serial entrepreneur, has opened Pets-R-awesOMe, an online pet store. He and his team are experimenting with call center staffing. A. The current call center format has two lines: one for customers who want to place an order and one for customers who want to report a problem. Each line is served by one specialized customer service representative. The call center is staffed so that at any given time, there is one representative taking customer orders and one representative addressing customer problems. On average, there is a new customer who wants to place an order every two minutes, exponentially distributed. Similarly, there is a new customer needing to address a problem every two minutes, exponentially distributed. The call center staffers are fast and can on average complete one call of either type in 75 seconds, with a standard deviation of 30 seconds. Each call center staff member is paid $15 per hour. The estimated cost of a…

What is the role of the front desk office department in a hotel

Globe Industries is a multinational tech company specializing in e-commerce, cloud computing and artificial intelligence. GLOBE INDUSTRIES has an online shopping website/app where persons globally can purchase a variety of new and used goods, including computers, vehicles, music and books. Consumers are not using Globe Industries' e-commerce website/app because it lacks certain functions or features that make their online shopping experience easier. Issue The issue of customer retention has been the topic of discussion among the management team for months at Globe Industries. They have noted several complaints and concerns regarding the predicaments that the company is experiencing, which has negatively affected the company’s profits. The number one complaint noted was; the outdated approach to the company’s operations. This problem is stemming from the lack of access to information by its users from their own personal accounts. It was noted that in order for a transaction to be…

What are the duties and responsibilities of a FLIGHT ATTENDANT?

What are the advantages and disadvantages of queueing analysis versussimulation?

Consider your most recent unpleasant waiting experience. What went wrong andhow could it have been improved?

What is meant by line authority.

Why do low-cost airline companies have waiting issues ?