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The Expansion of Europe, 950-1100." Using this as a frame of reference.
Is the term feudalism still useful as a historical concept or has it become a misleading myth? What problems did it solve, and what others did does it create?
In the High Middle Ages, what relationships do you see between economic growth and political power? For example what do we know about the growth of towns and trade?Between economic growth and technological achievements? Be sure to cite ideas, places, and people.
Make a comment about the rise of national monarchies.
What percentage of the adults in this sample has an IQ score between 90 and 129, inclusive?
The lifetime of a certain machine is a random variable having an exponential distribution with parameter λ. When the machine breaks down, there is a probability equal to p (respectively, 1 - p) that the failure is of type I (resp., II).
Satisfaction. A company hopes to improve customer satisfaction, setting as a goal no more than 5% negative comments. A random survey of 350 customers found.
A local health center noted that in a sample of 400 patients 80 were referred to them by the local hospital. a) Provide a 95% confidence level for all the patients who are referred to the health center by the hospital.
a test for marijuana was tried on 210 subjects who did not use marijuana. the test result was wrong 52 times.a. based
Researchers testing a new medication find that 7% of users have side effects. To how many pa- tients would a doctor expect to prescribe the medication before finding the first one who has side effects?
Assuming a standard deviation of 5 minutes and a simple random sample of 50 persons who filled out the long form, what is the probability that their average time for completion of the form was more than 45 minutes?
a box of tickets has an average of 100 and sd of 20. four hundred draws will be made at random with replacement from
What proportion of children 10 to 15 years of age would be classified as hyperlipidemic assume that hyperlipidemia is defined as cholesterol level over 200?
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means.
How many cars were measured?- Why might the mean be so much larger than the median?- Describe the center and spread of this distribution with appropriate statistics.
Show that using the variance premium principle with β = 1, the premium for contract B is higher than that for contract A.
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