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The manager of the Hippon Drug Store is remodeling his facility and is considering three ways of organizing his branded-items business. The first way is to employ a fast clerk to wait on all customers. Assume such a clerk serves customers exponentially at an average rate of two minutes per customer. The second way is to employ two moderately fast clerks to wait on all customers. Assume each serves customers exponentially at an average rate of four minutes per customer. The third way is to use a self-service system in which each customer waits on himself. Self-service, at an average rate of six minutes, is slower than clerk service. The manager wants to calculate the average number of customers in the store, the average time each spends in the store, and the average time each spends waiting for service, under each way of organizing. Assume that customers arrive completely randomly, one at a time, at the rate of 15 per hour. Calculate the operating characteristics of interest to the manager.
probability values based on normal distribution.the old exit exam followed a normal distribution with micro 500 and
estimate your own moment of inertia about a vertical axis through the center of the top of your head when you are
What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
two players put one dollar each into a pot. they decide to throw a pair of dice alternately. the first one who throws a
The life corn delight popcorn maker is normally distributed with them mean of 20 months and a standard deviation of two months. The manufacturer will replace on the life popper if it breaks during the guarantee period.
One man can fix a machine in four hours and two men working together can fix a machine in three hours. The total maintenance cost (including downtime cost) in the case of two repairmen on duty is:
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A study was conducted to determine whether magnets were effective in treating pain. The valves represent pain measurements.
List the 15 possible samples (without replacement) of two artists that can be selected from the six. for brevity, use the initial provided.
In a previous example about the body mass index of young women we developed a 95% confidence interval for the mean body mass index
Write the regression. Interpret the regression constant and regression coefficient. Forecast a value for monthly salary.
Why do so many of life's events share the same characteristics with Central Limit Theorem? Why are estimations and confidence intervals important?
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