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Suppose that you want to test whether the population proportion of attorneys who make at least $400,000 per year differs from 0.24. A random sample of 200 attorneys shows that there are 36 of them who make at least $400,000 a year.
What is the rejection region for a hypothesis test at a 1% significance level?
The aim of this workshop is to give you some experience using standard statistical treatments of data using statistical software. The package we will use for this workshop is Minitab.
The Law of Increasing Entropy is an impenetrable barrier which no evolutionary mechanism yet suggested has ever been able to overcome. Evolution and entropy are opposing and mutually exclusive concepts. If the entropy principle is really a univers..
the daily milk production of cows is normally distributed with a mean of about 35 kgday and a standard deviation of 7
What are some differences between discrete and continuous data? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using a normal distribution? Why or why not?
Which of the following sources of error are included in the margin of error? -a different sample would likely produce different numbers -some people whose numbers were chosen never answered the phone in several calls -some people did not answer tr..
What is the correlation between Friday and Monday scores?- What does a scatterplot show about the association between the scores?
The roll of a pair of dice has the following probability distribution, where the random variable x is the sum of the values produced by each die.
If the FDA did not approve the new drug, it could still be sold overseas, and the company could make $200 million over the same number of years. Construct a decision tree and recommend a decision on whether to develop the new drug.
in a gallup poll of 1003 randomly selected subjects 373 said that they have a gun in their home. the accompanying
i. What is the response rate needed for MP Inc. to breakeven, assuming average promotional costs? ii. After the campaign has been launched response rates are 7%, and profit (excluding promotional costs) is at $60 per response. But you know that pr..
1) We are 99% confident that the proportion of patients surveyed that have experienced a reduction in symptoms is between 0.2112 and 0.6638. 2) We are certain that 99% of patients will be between 0.2112 and 0.6638. 3) We cannot determine the proper..
According to a recent poll, 29% of adults in a certain area have high levels of cholesterol. They report that such elevated levels "could be financially devastating to the regions healthcare system" and are a major concern to health insurance prov..
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