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Question: Suppose that the target response rate was 4% when the current mailing was sent to the 20,000 people in the donations database on the companion site.
a. Find the actual response rate represented by the 989 donations received in response to this mailing to 20,000 people.
b. How does the actual response rate compare to the target? Give a statement that includes information about statistical significance (or lack of significance).
From the sales record of an analytical equipment manufacturing company, it is known that their sales reps typically make on average one sale of a top-of-the-line near-infrared device for every 3 attempts.
Is the social welfare function described here dictatorial? Justify your answer.- Does the social welfare function described here satisfy the unanimity property? Justify your answer.
1. Researchers tested farm-raised salmon from two different farms for organic contaminants. One measure they collected was the concentration of the carcinogenic insecticide mirex (parts per million).
Determine if the tires were exceeding the guarantee. At the .05 significant level, it was concluded that the tires are exceeding the manufacturer's guarantee.
If you ask a computer to generate "random numbers" between 0 and 1, you will get observations from a uniform distribution.
What is the value judgment that underpins Pareto efficiency? Who might find it objectionable? Why?
To calculate the standard error of the mean for a variety, the experimenter calculated the standard deviation of the 50 observations and divided by.
Suppose the probability that a carton of eggs will contain at least one broken egg is 1/3. use a simulation of 20 trials to find the probability that the next three cartons will contain only unbroken eggs.
please provide a 250-300 word explanation for the below discussion questions and please include apa style in-text
the correlation between the number of police on the street and the number of crimes committed for a sample of 15
pretests posttests and threats to internal validity.answer the question either by writing the design name or by
an adiabatic heat exchanger is used to heat cold water at 8 deg c entering at a rate of 3kgs by hot air at 150 deg c
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