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The daily production rates for a sample of factory workers before and after a training program are shown below. Let d = After - Before.
Worker Before After
1 6 9
2 10 12
3 9 10
4 8 11
5 7 9
We want to determine if the training program was effective.
Give the hypotheses for this problem.
Compute the test statistic.
At 95% confidence, test the hypotheses. That is, did the training program actually increase the production rates?
Now suppose that the gross national debt initially is equal to $2.5 trillion and the federal government then runs a deficit of $100 billion: i. What is the new level of gross national debt ii. If 100 percent of this deficit is financed by the sale o..
The recent average starting salary for new college graduates in Economics is $47500. Assume salaries are normally distributed with a standard deviation of $4,500. a)What is the probabilty of a new graduate receiving a salary between $45,000 and $50..
A used car dealer advertises financing at 0% interest over 3 years with monthly payments. You must pay a processing fee of $250 at signing. The car you like costs $6000. a) What is your effective annual interest rate
A monopolist faces a demand curve given by: P = 105 - 3Q, where P is the price of the good and Q is the quantity demanded. The marginal cost of production is constant and is equal to $15. There are no fixed costs of production.
The fisherman has a fixed cost of $200 per day and variable costs of $150 per hour (wages and fuel). Fill in the information missing in the following table. Hours/ day Total Fixed Costs Total Variable Costs Total Costs Marginal Costs
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Suppose that in a duopoly firms have constant marginal cost MC = 10 per unit. Firm 1 faces demand function q1 = 100 - 2p1 + p2, while firm 2 faces demand function q2 = 100 - 2p2 + p1. What is the Nash equilibrium of this game. What is the Nash equ..
A firm with costs C(Q) = 1; 000 + 60Q + 0:1Q2 is able to price-discriminate between two groups of customers, with demands Q1 = 3; 000-2p, and Q2 = 350-0:5p respectively. How much does it sell to each group, and at what price
An estimate of the demand function for household furniture produced the following result F= 0.0036Y1.08R0.16P-0.48 p=0.996 where F= furniture expenditures per household. Y= disposable personal income per household.
Susan consumes apples and bananas. Her utility function is given by U(A,B) = AB where A is the quantity of apples and B is the quantity of bananas. Sarah is maximizing her utility by consuming 5 apples and 10 bananas. With the number of apples on ..
The crockett Land Winery must replace its present grape-pressing equipment. The two alternatives are the quick-skwish and the stomp-master. the annual operating costs increase by 12% each year as teh machines age.
at a price of $1 each, 200 popsicles are sold per day in the perpetually hot town of Rostin. Consider the elasticity of supply. In the short run, a price increase from $1 to $2 is unit-elastic (Es = 1). In the long run, a price increase from $1 to $2..
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