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44 third grade students can be considered to be an SRS in asuburban school district with a sample mean of = 35.091. DPR scoresare approximately normal. Suppose the standard deviation ofscores in this school district is known to be σ = 11. The researcher believes that the mean score m of all third graders inthis district is higher than the national mean, which is 32.1) State H0 & Ha2) Calculate the test statistic and give both the test statistic and P-value3) Give a 95% confidence interval for the mean DPR scores and state whether the confidence interval includes m4) State your conclusion based on α =5%5) Would your conclusion in question #4 change at 1%significance level? Explain why or why not?
a. Warner is selling in a perfectly competitive market at a price of $40. What is the profit maximizing or loss-minimizing output b. Calculate the firm's profit or loss. Show computation. c. Should the firm continue to produce in the short run
What is the value of the multiplier d. Calculate the saving function for Freedonia. Plot this sav- ing function on a graph with equation (2). Explain why the equilibrium income in this graph must be the same as in part b.
Assuming the same interest rates, what isthe 8-month forward rate for one dollar in terms of won Is this an indirect or a directrate If the forward rate is an accurate predictor of exchange rates, in this case will thewon get stronger or weaker ag..
Assume we observe the following: Qt = 5; pc = 2; pt = 2. If the price of textbooks doubles, by how much does the income have to increase to keep the textbook consumption constant What happens to chocolate consumption Explain.
A firm makes and sells a computer for $1000. The variable costs to produce a computer, for the range of production of the firm, is $300 per unit. The total fixed costs per year to make the computer are $5.0 Million. How many computers must be made..
The intensive development effort needed to expedite the introduction can be very expensive. Revenues and costs associated with the new product
the claims for a new long-life battery were justified, a consumers' group tested a random sample of 20 batteries. Each battery was subjected to a standard heavy load until burnout, providing the following 20 lifetimes ( in minutes): 65.1 58.4 64.9..
Suppose that the velocity of money is not constant but is growing at 1% per year. Real GDP is growing by 5% per year. If the central bank wants to reduce the rate of inflation to 3%, what must be the new rate of money growth? If the real rate if r..
To demonstrate that a utility function that is a monotonic transformation of another utility function gives that same first-order conditions and hence the same demand functions, multiply the utility function U = U(X,Y) by a constant
Consider the market for cigarettes in New York City and Los Angeles. Suppose the daily demand for cigarettes in NYC is given as Qd=1000-100P, and the demand in LA is Qd=900-200P. The market supply for the two markets is the same: Qs=100+200P.
If nominal GDP is $4,000 billion and the amount of money demanded for transactions purposes is $800 billion, it can generally be concluded that: The asset demand for money will be $3,200 billion The total demand for money will be $4,800 billion On..
If quantity of money is $3 trillion, real GDP is $10 trillion, the price level is ..09, the real interest rate 2 percent a year, and the nominal interest rate is 7 percent a year, calculate the velocity of circulation, the value M times V, and nom..
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