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The Oil Price Information Center reports the mean price per gallon of regular gasoline is $3.79 with a population standard deviation of $0.18. Assume a random sample of 40 gasoline stations is selected and their mean cost for regular gasoline is computed.
(a) What is the standard error of the mean in this experiment? (Round your answer to 4 decimal places.)
(b) What is the probability that the sample mean is between $3.77 and $3.81? (Round z value to 2 decimal places.Round your final answer to 4 decimal places.)
(c) What is the probability that the difference between the sample mean and the population mean is less than 0.01? (Round z value to 2 decimal places. Round your final answer to 4 decimal places.)
(d) What is the likelihood the sample mean is greater than $3.87?
Compute the percentage change n nominal GDP, real GDP, and the GDP deflator n 2009 and 2010 from the percentage year. For each year, identify the variable that does not change
Suppose that the price of a stock is $50 at the beginning of a year and $53 at the end of the year, and it pays a dividend of $2 during the year. Calculate the stock's current yield, capital-gains yield, and the return.
Lenders perceive that you are risky, so you must pay 12 percent annual interest to borrow from one of them. You only receive 6 percent on funds you have deposited in the bank. Do the opportunity costs of borrowing and using your own funds differ i..
Suppose initially (period 0) the economy is endowed with $5 (billion) of capital stock and 10 (thousand) workers (let's ignore the units). We know that saving rate s is 0.15, population growth rate n is 0.01 and depreciation rate d is 0.09.
The total number of movie projections, M, is the sum of the number paid for by each of the two persons: M = MS + ML. Spielberg and Lucas both have income of 70, and the price of both the private good and a movie projection is 1. They are limited, ..
the following information concerning production of wheat and cloth in the United States and in the United Kingdom: Labor Hours Required to Produce One Unit United Kingdom United States Wheat 2 ..
If theTrust did agree to fund all costs except the $3 million bond proceeds now available, determine the equivalent annual amount that must be raised in years 4 through 6 to supply all remaining project funds. Assume the Trust will not charge any ..
an investment cost of $50,000; maintenance costs that start at $5,000 at the end-of-year (EOY) one and increase by $1,000 for each of the next four years, and then remain constant for the following five years; savings of $20,000 per year (EOY 1-10..
find out the MRTS of the following questions for a. q=L^0.5K^0.5, b. q=L^0.5+K^0.5, c. q= min {K,L} and d. q=L+K. I think for the first two I have the correct answers and just need to make sure I didn't do the math incorrectly.
Refer to the above data. If the product price is $75 at its optimal output, exactly how many units should be produced to maximize profits or minimize losses? How much will the profit or loss be?
Lorena likes to play golf. The number of times per year that she plays depends on both the price of playing a round of golf as well as Lorena's income and the cost of other types of entertainment-in particular, how much it costs to go see a movie ..
Suppose that there is an adverse oil supply shock. Show the impact that this has on the production function, the labor market (i.e. on equilibrium wage and labor), and on the actual amount of output. SHOW a diagram and DISCUSS your findings.
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