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In a sample of 1000 gas stations across the USA, the price of regular gasoline at the pump was $3.429 per gallon and the standard deviation was $0.162 per gallon. A random sample of size 100 gas stations was drawn from that population. What is the probability that the mean price per gallon is less than $3.399? Round your answer to 4 decimal places.
Suppose you are a researcher for a consumer’s advocate magazine. You want to find a sample of cars whose owners have paid for rebuilt transmissions. So, you randomly select a sample of 40 replacement costs and find the mean to be $2,585. The sample standard deviation is $465. Calculate the 95% confidence interval for the population mean replacement cost. Interpret your results.
Suppose you want to estimate the mean weight loss of people one year after using the Atkins weight loss program. How many people on that program must be surveyed if you want to be 95% confident that the sample mean weight loss is within 0.25 pounds of the population mean? Assume that the population standard deviation is known to be 10.6 pounds based on previous research.
In a recent study of 1228 randomly selected medical malpractice lawsuits, it was found that 856 of them were later dropped or dismissed based on data from a reputable insurance organization for physicians. Use that information to construct a 99% confidence interval estimate of the population proportion of medical malpractice lawsuits that are dropped or dismissed.
Now suppose as a result of a mandated increase in the minimum wage the wage increases to $80. What would be the implication of this change for this firm?
Graph the Demand facing your situation. Note that this requires information from the Supply Determinant analysis before deciding how to draw the curve(s), as you may need a separate MR curve.
You are responsible for creating an ad that will hopefully entice more consumption of your product or service. Describe for me a couple of items that you want to say to your consumers through your ad?
Which of the subsiquent statements is (are) generally true assuming a mound shaped distribution.
Discuss why silence can be an effective response to a request for a last-minute concession and when the nickel-and-diming approach can be utilized most effectively.
Supply and Demand in the Cell Phone Market.
A common marketing tactic among many liquor stores is to offer their clientele quantity or volume discounts.
What would be good textbooks at the graduate level that deal with Labor Economics and Labor-Macro (As in, Equilibrium Unemployment Theory, Shimer Puzzle etc)?
Illustrate what money supply should the Bank of Canada set next year if it wants inflation of 10 percent.
q.suppose we have the following three projects up for vote a naval ship a hospital and a park. there are three
All licensed drivers are required by law to purchase a minimum level of auto and motorcycle insurance (well, if they own either of the two). However, the vast majority choose to buy much more insurance than the required minimum. It’s also true that m..
Calculate the average cycle stock for this item using the order quantity in part a.Assuming there are 12 periods per year, calculate total cost per year.
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