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Q. A car manufacturer claims that its vehicles average at least 25 miles per gallon, with a population standard deviation of σ=2. We take a sample of n=36 cars to test fuel efficiency, and with to performance a one-sided hypothesis test of the manufacturer's claim at a level of α=.05.
a. What is the critical value for the sample mean?
b. Suppose the answer to part a, is 23.5 (it is not, but assume it is to do part b). If the true value of efficiency in the population is 22.75, what is the power of this hypothesis test?
Suppose the firms compete in quantities. If firm 1 deviates from collusion in one period, what is the profit of firm 1 in that period in subsequent periods.
Quantity, whole revenue and profit when company charges different price in each market and exploits its total profit.
In country B the opportunity cost of 100 gallons of beer is 0.95 tons of cereal. Both countries can experience gains from trade if the exchange rate for a ton of cereal is 96 gallons of beer
This would be ideal because he would have the same number of pretzels as he would soda leaving no money left to spend.
Do you think the net effects of trade blocs are good or bad for world trade? Why? How do the efforts of the WTO relate to these trade blocs.
Prices the selling monopoly charges for TV sets in periods 1 and 2.
On the same day, the San Francisco Chronicle had an article with the headline "Sharp Drop in Bay Area Home Sales"
Democratic Republic of the Congo grows at a healthy 3% per capita, how long will it take Democratic Republic of the Congo to catch up with Luxembourg.
In 2012, Balnur taught music and earned $20,000. She also earned $4,000 by renting out her basement. On January 1, 2013, she quit teaching, stopped renting out her basement, and began to use it as the office for her new Web site design business.
Using the formula for β^1 and β^0, show what will happen to the estimator of the slope and intercept in the SLR model if y is multiplied by the constant k, and at the same time x is multiplied by the constant m.
Explain and show graphically the effect on the supply and demand for Bonds in a deflationary period. What is the effect on interest rates and the quantity of bonds.
Profits associated with polluting for Friedman Inc. are π = 40Q - 2Q2, where Q = pollution emitted (in tons), and profits are measured in dollars.
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