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Barry works at an ice cream counter of a food court. Customers arrive at a mean rate of 6 per hour. The mean service rate is 9.5 per hour. Assume it is a single-server waiting line model.
(a) Determine the mean arrival rate and the mean service rate.
(b) Determine the probability that a customer will have an empty queue.
(c) Determine the probability that 2 customers are in the queuing system.
(d) Determine the average number of customers in the queue and the average number of customers in the system.
(e) Determine the average waiting time in the queue and the average total time in the system for a customer.
(f) Find the utilization factor of the server.
suppose Barry can be replaced by another server, Nina, who must be paid $15 per hour whereas Barry is paid $10 per hour. Nina can serve 12 customers per hour. If a customer's time is considered to be worth $8 per hour, is it worth to replace Barry with Nina?
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A company that sells an online course aimed at helping high-school students improve their SAT scores has claimed that SAT scores will improve by more than 90 points on average if students successfully complete the course
Formulate a capital budgeting problem for the above situation by determining (a) The decision variables. (b) The objective function.
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Small Wonder, an amusement park, experiences seasonal attendance. It has collected 2 years of quarterly attendance and made a forecast of annual attendance for coming year. Compute seasonal index for four quarters.
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Annual carrying costs are approximate d at $0.60 per pot per year and ordering costs are $20 per order. Illustrate what additional cost is shop incurring by using this current order size rather than economic order quantity.
Here, you are asked to select a business of interest and develop QA best practices that can be developed and implemented to increase revenues
Why are mission and vision relevant to the management of internal organizational social networks? What performance standards might reinforce a firm's mission and vision?
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