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William is interested in knowing whether or not athletics from his team have lower satisfaction with their team on a survey than the known population average survey score of 19 and the known population survey standard deviation is 12. He samples 36 athletics from his team and finds a sample mean of 15. Assume an alpha = .05.
The sample data are summarized by the statistics n = 27, x = 4.6 years, s- 1.9 years.
Multiple choice questions based on regression - dependent variable Y and an independent variable X is provided.
Construct a 95% confidence interval for the mean HAV angle in the population of all such patients and construct a histogram and assess the shape, center, and spread. Remove the patient(s) that who are outliers.
You buy a new piece of equipment for $11,778 and you receive a cash inflow of 2,000 per year for 10years. What is the internal rate of return?
Explain how reimbursement differs between PAR and nonPar charges.Calculate the following amounts for a PAR who bills Medicare.
A survey of 68 courses delivered fully online found a mean of 13.5 videos with a standard deviation of 2.81. You can assume that the number of videos in an online course is normally distributed. Find the 89% confidence interval for the mean number..
City of Providence supervisor claims that the mean weight of all garbage discarded by households each week is 29 lb. A random sample of 26 households shows that the sample mean is 33.02 with a standard deviation of 8.16 lb.
A population of values has a normal distribution with µ=128.4 and s=13.7 You intend to draw a random sample of size n=165
What are the mean and the standard deviations for the population of produced with this process?
Determine the probability that tire wears out before 70,000 miles?
1.Interested in learning more about its fans, the marketing office of the Arena Football League (AFL) conducted a survey at one of its games.
Students given exam with 300 multiple questions, distribution was normal and mean 195 with a standard deviation of 30. What were the scores of the students who are within one standard deviation of the mean?
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