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If variability of data in a time series increases overtime
a. you should use an additive model
b. you should use a multiplicative model
c. you cannot use the data
d. none of the above
Business Economics, Economics
Let X denote the number of spots on a single throw of a fair 6-sided die. Find the mean, variance, and standard deviation of X. If you can, relate the mean and variance to the mean and variance. the possible values on th ...
Why the use of Nash equilibrium is a solution concept in games? Please give me an detailed explain.
For a recent evening at a small, old-fashioned movie theater, 25% of the moviegoers were female and 75% were male. There were two movies playing that evening. One was a romantic comedy, and the other was a World War II f ...
A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability of a rating that is bet ...
A firm is considering a project that has the following estimated cashflows: Increased sales to business of $100,000 for the next six years (starting in one year's time) Increased costs of $30,000 for the next six years ( ...
Suppose the restaurant industry is perfectly competitive and all producers have identical cost curves. The industry is currently at a long-run equilibrium, with each firm producing at its minimum long run average total c ...
Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that more than one customer will arrive during the ...
There are 100 identical firms in a perfectly competitive industry. Market demand is given by -200P +8000. If each firm has a marginal cost curve, MC = .4 q + 4. What is the firm's supply curve? What is market supply? Wha ...
A bar wants to move into a new area. They want to find out the average income of people in the area to set a price point. To estimate the income of the locals with an error of at most $5,000 at a 80% confidence level, wh ...
A $1000 utility bond with 14 years remaining before maturity can now be purchased for $760. It pays interest of $20 each 6-month period. What rate of return is earned by purchasing the bond at the current market price pl ...
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