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Examine the hospital database. Suppose you want to “prove” that the average hospital in the United States averages more than 700 births per year. Use the hospital database as your sample and test this hypothesis. Let alpha be .01. On average, do hospitals in the United States employ fewer than 900 per- sonnel? Use the hospital database as your sample and an alpha of .10 to test this figure as the alternative hypothesis. Assume that the number of births and number of employees in the hospitals are normally distributed in the population.
What is the standard error of his prediction
835 elderly people are sampled and .086 are diabetic. With a 90% confidence interval find the proportion of elderly people..0575-.1145
How do small companies compare to the major competitor and Has satisfaction with the manufacturer changed since the change in company ownership?
What would be the 80th percentile for height?
3. Mr. Freude Lazer, a statistics professor at the University of IMAX, drives from his home to the university every weekday. He has three options to drive there: he can take the Beltway, or he can take a main highway with some traffic lights, or he c..
X=54 n=36 o=5.6 Ho: u=56 Ha: u
ltbrgtas of last year only 20 of the employees in an organization used public transportation to commute to and from
A large playlist consists of songs with times which have mean 2 minutes ten seconds and standard deviation 15 seconds.
Descriptive Statistics Project Descriptive Statistics Project Project #1 This project gives you the chance to use all of the statistical techniques and concepts that are covered in the initial chapters of the text.Data Collection: This is an open e..
A person estimates that his commute to work will most likely take 50 minutes. However, it could talk as long as 1 hour and 35 minutes worst case, or as little as 35 minutes best case. What is the approximate standard deviation based on the ab..
What is the rationale behind the minimax regret rule? What are some less formal and precise methods of dealing with uncertainty? When are these useful - calculate the standard deviation of the distribution of each investment.
Bay Area university enrolled mba students in three cohorts programs:weeknight, Saturday, and distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs. State null hypothesis
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