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You are the manager of a local bank where three tellers provide services to customers. On average, each teller takes three minutes to serve a customer. Customers arrive, on average, at a rate of 40 per hour. Having recently received complaints from some customers that they waited a long time before being served, your boss asks you to evaluate the service system. Specifically, you must provide answers to the following questions:
a. The average utilization of the three-teller service system is p=. 6667. (Enter your response rounded to four decimal places.)
b. The probability that no customers are being served by a teller or are waiting in line is P0= __. (Enter your response rounded to four decimal places.)
As the prices of heating oil and natural gas increase, consumers become more careful about heating their homes.
This ten-year old boy, son of King Henry VIII and Jane Seymour, became King of England and Ireland in 1547 and died of tuberculosis six years later. Who was he?
The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute.
They were quite comfortable-that was about the median family income in 1975. How much income did they need 28 years later, in 2003.
The survey referenced in the previous exercise was conducted by Robert Half Technology. This company issued a press release
What retirement plan should Addison consider if he works for a large private firm? What retirement plan should Addison consider if he works at a university?
Each of the numbers 1 through 10 inclusive has been written on a separate piece of paper. The 10 pieces of paper have been placed in a hat. If one piece of paper is selected at random, with replacement, find the probability that the number selecte..
What is the probability we select a Human Ecology student?- What is the probability that we select a firstborn student?
What is the mean and standard deviation of the sampling distribution of x-bar assuming that mean =20 and standard deviation equals the square root of 20?
Farmers' market. A farmer has 100 lb of apples and 50 lb of potatoes for sale. The market price for apples (per pound) each day is a random variable.
Projecting residential electricity customers. To satisfy the Public Service Commission's energy conservation requirements, an electric utility company.
every year the cdc conducts phone surveys to assess the health risks of people in the u.s. this survey is abbreviated
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