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The mean February 1 daily high temperature in Juneau, Alaska, between 1945 and 2005 was 1.1 °C with a standard deviation of 1.9 °C.14
(a) Based on this information, do you think it is reason- able to believe that the February 1 daily high temperatures in Juneau, Alaska, follow a normal distribution? Explain.
(b) Does this information provide compelling evidence that the February 1 daily high temperatures in Juneau, Alaska, follow a normal distribution? Explain.
Tanya operates a home business importing sweaters from Peru and sells them from her home. She collects $400,000 in revenue a year, and spends $200,000 on the sweaters and shipping costs, as well as $25,000 on advertising, accounting services and u..
An alternative has been developed using natural gas butthe gas will not be available for 3 years. By switching to gas theywill save 13,000 per year for 10 years starting three years fromtoday . At an interest rate of 6%
What is meant by statistical inference? What is its function and importance and what is meant by and what is the relationship between a parameter and a statistic?
The inverse market demand in a homogeneous product cournot duopoly is P=280-2Q=280-2(q1+q2) and costs are C1(q1) = 20q1 and C2(q2) = 30q2. a. How much output will each firm produce in equilibrium b. What are the equilibrium market shares for these..
Michael plans to save $100,000 the first year, $125,000 the second year, and amounts increasing by $25,000 each year for 20 years. What is the present worth in Michael's account at an interest rate of 8% per year after 25 years
a factory benefits from discharging effluent q into a lake. the marginal benefit function is given by 60-2q. the
Two types of power converters are under consideration for a specific application. An economic comparison is to be made using a MARR of 20% and the following cost estimates: Data Alpha Beta Service life (years) 5 9
The cost of shipping steel to the nearest buyer would be $20 per ton. In the meantime, a business next door just went bankrupt and the bank is offering a special deal where you can buy another 100 tons of steel for $180 per ton. Assume that the in..
A machine has an initial cost of $500,000, and was estimated to have a salvage value of $30,000 at the end of its 7 years useful life. The machine is expected to generate annual net savings of $125,000. A loan of $200,000 at 7% interest
Kanji Company had sales last year of $265 million, including cash sales of $25 million. If its average collection period was 36 days, its ending accounts receivable balance is closest to
Fit a multiple regression model of y on x1 and x2. Fit two simple linear regressions: (I) y on x1; (II) y on x2. Compare the results of multiple regression analysis with each of simple linear regressions.
If the plumbers now form a union, and supply their labour at a wage of $30 per hour, illustrate the new equilibrium on your diagram and calculate the new level of employment.
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