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According to the Scranton Edison Company, utility-plant investment per employee was approximately $453,300; $492,400; $498,900; $531,900; $553,900; and $573,300 for the years 1996 through 2001, respectively. The number of employees working at the plant at the end of the year was 3,876; 3,874; 4,115; 4,252; 4,364; and 4.428, respectively. Using the annual number of employees as weights, what is the weighted mean annual utility-plant investment per employee during this six-year period?
Discuss how the empirical rule helps explain the ways in which the values in a set of numerical data cluster and distribute. Regarding probability, discuss the differences between mutually exclusive events and collectively exhaustive events.
There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly. (a) Determine the standard error of the proportion.
In the solution to this problem, what is n? p? q? Does it appear that both np and nq are larger than 5? Why is this an important consideration?
What do you find out when you perform the nonparametric statistics?
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Utilize the given degree of confidence also sample data to construct a confidence interval for population proportion.
Findout probabilities utilizing standard normal distribution. If the debt is normally distributed with a standard deviation.
Create a 90% confidence interval for mean score on this placement exam for all students.
A single-sample acceptance attributes sampling plan is required to have a producer's risk of 0.06 for an acceptable quality level of 0.5% nonconforming, and a consumer's risk of 0.10 for a rejectable quality level of 5% nonconforming. Use Minitab ..
Find the alternative would be chosen according to expected value and utility.
If the probability of making a two point shot is greater than the probability of making a three point shot, why do coaches allow some players to shoot the three point shot if they have the opportunity? Use expected value to explain your answer.
Compare the two forecasts computed in (a) and (b), using MAD. Which one should the dealer use for January of the next year?
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