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Your supervisor comes to you and says she would like a marketing research study. She says there is a budget of $30,000. She would like to conduct a simple random sample of consumers interested in using the services of the company. She thinks that a sample of 750 would be plenty.
a. Given a confidence level of 95%, and a sample statistic of .50, what will be the MOE for a study of this type?
b. If the CPI is $15.75 per completed interview, can this study be done within the given budget?
c. How much more or less sample might you need to spend the entire budget?
d. What will be the MOE for that study (the one that uses the entire budget)?
SAT versus ACT Eleanor scores 680 on the SAT Mathematics test. The distribution of SAT scores is symmetric and single-peaked, with mean 500 and standard.
Bank C demands 8% compounded quarterly. Bank D demands 8% compounded monthly. Which bank would be most rational to borrow from?
(a) Use Excel to compute both a three-period and a five-period moving average time series of company liquidations. (b) Plot the original time series of company liquidations and the three-period and five-period moving average values on the same grap..
How many pups out of a litter of 5 must develop hip problems for the police department to take action against this breeder with 95% confidence
What is the head circumference such that only 2.5% of adult males have a smaller head circumference?
You will be required to provide an historical geography narrative on the following broad theme:
A study looked into the management of various tropical grasses for improved production, measured as dry matter yield in hundreds of pounds per acre over a 54-week study period.
After six months of antidepressant therapy, Mrs. Adams (above) reports an increase in nervousness and a frequent feeling of worry while at work.
airlines sometimes overbook ights. suppose that for a plane with 50 seats 55 passengers have tickets. dene the random
For the first 90% of the history of Earth, all life was in the oceans. Under what constraints do the corresponding biophysical processes operate
to control the quailty of a manufactured product samples of the product are taken at specified inspection time periods
(a) Find the proportion of customers that go away empty handed. (b) Find the average time that an item is on the shelf. (c) Find the average number of items on the shelf.
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