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In a population Y=100 and Y=43. Use the central limit theorem to answer the following questions
a. In a random sample of size n=100, find P(Y< or = 7.78)
a. In a random sample of size n=165, find P(Y> or = 98).
c. In a random sample of size n=64, find P(101< or = Y< or = 103)
Consider a production function for an economy: Y = 20(L.5K.4N.1) where L is labor, K is capital, and N is land. In this economy the factors of production are in fixed supply
A producer currently hires 20 units of labor and 6 units of capital. The price per unit of labor is $10, the price per unit of capital is $2, and the marginal products of labor and capital are both equal to 20. If the producer increases labor by o..
A customer has provided information on the value of cars, the price of gasoline, the quantity of new cars sold in United States. Gross Domestic Product per capita is also observed.
what amount will be required to purchase, on an engineer's 40th birthday, annuity to provide him with 30 equal semiannual payments 0f $1000 each, the first to be received on his 50th birthday, if the nominal interest is 4% compounded semiannually
Unit Sales Price Personal Advertising Selling Expenses 132 $74 $1,140 203 74 1,400 217 55 1,160 255 53 1,210 252 64 1,490 239 70 1,460 152 75 1,200 197 58 1,020 230 65 1,390 154 61 1,040 As a first step in the analysis, the company ran simple regr..
A firm in a purely competitive industry is currently producing 1000 units per day at a total cost of $450. If the firm produced 800 units per day, its total cost would be $300, and if it produced 500 units per day, its total cost would be $275.
The licensing restrictions allow each company to sell as much as it wants at a price ceiling of $2,200. You have the following output and MC data for each company: Output MC ($) Q Abba Babba Cabba 1,000 2,500 2,600 2,700 2,000 2,400 2,300 2,500 3,..
Cinema Theater has estimated the following demand functions for its movies: Daytime demand, QD = 400 - 50 PD Nighttime demand, QN = 200 - 20 PNThe marginal cost of serving another customer is $5 and its fixed costs are $100.
A widget production machine can be purchased and installed for $100,000. It is in the seven-year GDS property class, and is expected to be kept in service for eight years. It is believed that $7,500 can be obtained.
Find the uniform annual amount that is equivalent to a uniform gradient series in which the first year's payment is $500, the second year's payment is $600, the third year's payment is $7000, and so on, and there is a total of 20 payments. The ann..
suppose y1 y2 ... y100 are a sample of 100 independent and identically distributed random variables with a mean of 0
. The challenger costs $6,000 and has O&M costs of $2,000 per year, increasing by $1,000 per year. The machine will be needed for only three years, and the salvage value at the end
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