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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 firm produces digital watches on a single production line serviced during one daily shift. The total output of watches depends directly on the number of labor hours employed on the line. Maximum capacity of the line is 120,000 watches per month.
The profitable Palmer Golf Cart Corp. is considering investing $300,000 in special tools for some of the plastic golf cart components. Executives of the company believe the present golf cart model will continue to be manufactured and sold for 5 ye..
Suppose that the production function takes the form Y = AKa*L1-a, where a?= 1/3. Assume that the saving rate, s = 0.15 and the rate of depreciation d = 0.05 Further, let A = 1, and L = 2, initially.
The companies expect to invest $120 million upfront to set up the new unit. HoosierMaker expects to garner revenue of $9.5 million each year and spend $1.3 million a year in costs, over the next 7 years. What is the future worth of this investment..
The Largo Publishing House uses 400 printers (workers) and 200 printing presses to produce books. A printer's wage rate is $20 per hour and the price per hour of a printing press is $5,000. The last printer hired added 20 books (per hour) to total..
Suppose that disposable income consumption Andy saving in some country are$200 billion, $150 billion and $50 billion respectively, next assume that disposable income increase by $20 billion, consumption rises by $18 billion and saving goes up by $..
Vipsana's Gyro House sells gyros. The cost of ingredients (pita, meat, spices, etc.) to make a gyro is $2.00. Vipsana pays her employees $60 per day. She also incurs a rent of $20 per day. Answer questions 17-10 accordingly.
If your bank held 3% of the units issued by a unit trust and the mortgages in the trust repaid $15,000,000 in interest and $2,300,000 in principal in its first year, how much principal and interest would your bank receive that year
The value of a successful project is $420,000; the probabilities of success are 1/2 with good supervision and 1/4 without. The manager is risk-neutral, not risk-averse as in the text, so his expected utility equals his expected income minus his di..
You went on a trip to Tombstone, Arizona and stopped into a gift shop, where you began talking with the owner. You find out that she needs to apply for a small business loan and needs to calculate the net cash flow for the year 2015.
If the velocity is fixed, what would the inflation rate be id the money supply was decreased $530 billion Is your answer consistent with the classical dichotomy Explain. Suppose that when the money supply changed.
Economists estimate that on weekends the demand for your product is much higher than on the weekdays (monday-wednesday). On weekends. the inverse demand curve for a typical customer is P= 10 - 0.001Q; on weekdays, it is P=5- 0.01Q.
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