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Over a period of years, a toothpaste has received a mean rating of 5.9, on a 7-point scale, for overall customer satisfaction with the product. Because of a minor unadvertised change in the product, there is concern that the customer satisfaction may have changed. Suppose the satisfaction ratings from a sample of 60 customers have a mean of 5.60 and a standard deviation of 0.87. Do these data indicate that the mean satisfaction rating is different from 5.9? Test with alpha = 0.05 significance.
suppose in 2010, the cost of a market basket of goods was $2001. In 2012, the cost fo the same amrket basket of goods was $2,105. Calculate the price index for 2012, using the price index formula, asume 2010 is the base year________
A sum of $16,000per year will be received uniformly over a five-year period beginning two years from today. If interest is compounded continuously at a nominal annual rate of 11%, determine the present value of this continuous cash flow.
a study housing demand, county assessor interested developing a regression model estimate market (i.e., selling price) residential property this jurisdiction. The assessor feels important variable affecting selling price (measured thousands dollar..
Under patent protection, a firm has a monopoly in the production of a high-tech component. Market demand is estimated to be: P = 100 - 0.2Q. The firm's economic costs are given by: AC = MC = $60 per component.
A painting operation is performed by production worker at a labor cost of $1.40 per unit. A robot spray-painting machine, costing $15,000, would reduce the labor cost to $0.20 per unit. If the device would be valueless at the end of 3 years.
Suppose that disposable income, consumption, and saving in some country are $200 billion, $150 billion, and $50 billion, respectively. Next, assume that disposable income increases by $20 billion, consumption rises by $18 billion, and saving goes ..
Determine net income for the period if beginning stockholders' equity is $19,000, dividends declared amount to $7,000, ending stockholders' equity is $37,000 and the corporation issued $1,000 of common stock.
A competitive refining industry produces one unit of waste for each unit of refined product. The industry disposes of the waste by releasing it into the atmosphere. The inverse demand curve for the refined product (which is also the marginal benef..
Assume 2 firms are in the market, producing at constant marginal cost=0. Consumers incur transportation costs which are quadratic in the distance traveled; specifically, a consumer located at position x incurs transportation costs of 2
A travel company has hired a management consulting company to analyze demand in 26 regional markets for one of its major products: a guided tour to a particular country. The equation for the quantity demanded is Q = 1500 - 4p + 5A + 10I + 3Px
In a competitive industry, the market-determined price is $12. For a firm currently producing 50 units of output, short-run marginal cost is $15, average total cost is $14, and average variable cost is $7. a. Is this firm making the profit-maximiz..
Consider the market for ice cream as in the previous problem. This has a demand curve given by D(P)=100-P and a supply curve given by S(P)=1+98P. If the government implements a $9 tax, what is the price that consumers will pay
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