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Airfares between London and New York appear to be well above average cost and the handful of incumbents are making money hand over fist. Your cousin enters with a discount airline, but soon runs into financial difficulties when the incumbents match his fares. He complains to you about their predatory behavior and asks you to prepare an antitrust monopolization suit. Why might you disagree with his analysis? Are preentry prices the right prices for determining the profitability of entry?
Determine critical path and project completion time. Determine the probability that the project will be finished in 70 days or less. Determine the probability that the project will be finished in 80 days or less
The data below show the average daily high temperature for Chicago, Illinois, for twelve recent spring and summer months. Construct a stem-and-leaf diagram for the data:
during a recent year the average cost of making a movie was 54.8 million. this year a random sample of 15 recent action
Perform a linear regression, 8 month moving average & 3 month moving average forecasting technique to see which is most accurate for the new quarter 11 if quarter 11 sales are 172,000 units
Construct a 95% confidence interval estimate for the mean yield of five-year certificates of deposit.
Construct a 99 percent confidence interval for the true mean diameter of a nickel. (c) Discuss any assumptions that are needed. (d) What sample size would ensure an error of ± 0.0005 inches with 99 percent confidence?
When would you use a hypothesis test for the difference in two population proportions at your place of employment?
1 a retailer determines that the average number of orders per day for a certain product is 5. assume the poisson
You are interested in evaluating a new treatment for heart disease. (a) Discribe the population of interest. (b) Describe how you might obtain a random sample.
With a mean of 33 oz. and a standard deviation of 0.7 oz. 95% of packets actually contain more than x oz. of soap powder. What is x?
a warehouse employs 21 workers on first shift and 18 workers on second shift. eight workers are chosen at random to be
Give a 99% confidence interval for the rating of the table that would be given by an average member of the population of regular customers. Assume normality.
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