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Question:
You operate a delivery service in your local area, but you are thinking of expanding to another market. You're concerned that you might need to set different prices in the new market because the cost of gas might be much different.
Identify 10 gas stations in your local area.
Record the price per gallon for each gas station.
Research supply and demand curves for gasoline.
Create an Excel® spreadsheet in which you do the following:
Determine whether the prices in your local area are higher or lower than the national average.
Create a 700-word proposal in which you include the following:
the u.s. post office is interested in estimating the mean weight of packages shipped using the overnight service. they
The appliance giant offers a replacement guarantee on kettles which malfunction within a certain time of the purchase, but due to financial constraints, can only afford a maximum of 5% replacements. What must the guarantee period be?
How will staying with single suppliers benefit a company in the long run? When multiple suppliers are used, where does the emphasis tend to be placed? How can a company be sure that its single-source suppliers will not fail to meet demand?
What is the value of the population mean? What is the best estimate of the value?
Suppose you bid $12000. What is the probability that your bid will be accepted?
If historical time series data is very limited, what type of forecasting approach would be useful.
How large a sample is required to estimate the mean speed with a margin of error equal to 2 miles per hour with 90% confidence?
The random variables X1, X2, and X3 are independent and Exp(1)- distributed. Compute the correlation coefficient ρX(1) ,X(3). Let X1 and X2 be independent, Exp(a)-distributed random variables.
Remark. The characteristic function of the Linnik(α)-distribution (α > 0) is ?(t) = (1 + |t|α)-1.
The program office budgets $30,000 per program review at the contractor's site. Your concern for "end of year" spending drills is that you have budgeted enough for the reviews
The National Park Service has started charging a user fee to park at selected trailheads and crosscountry ski lots. Some users object to this fee, claiming they already pay taxes for these areas. The agency has decided to randomly question selecte..
For a study that consists of personal interviews with participants (rather than mail or phone surveys), explain why simple random sampling might be less practical than some other sampling methods.
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