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What single sum of money at the end of the third year is equivalent to a payment series of $10,000 the first year, $9,000 the second year... down to 6,000 the 5th year? Assume the money has a time value of 10%/year compounded annually.
Business Economics, Economics
22 subjects are randomly injected with different dosages of insulin (X) and reduction rate in their blood-sugar levels (Y) are recorded. The results are summarized as: ΣX = 132; ΣX 2 = 917; ΣY = 44; ΣY 2 = 348; ΣXY = 4 ...
Determine the margin of error for an 80?% confidence interval to estimate the population mean when s? = 36 for the sample sizes below. ?a)n=12 ?b)n=26 ?c)n=54 ?a) The margin of error for an 80?% confidence interval when ...
Some farm land is more productive than other land in the sense that it can grow more food per hectare. Farmers also use fertilizer to grow food (i.e. adding fertilizer increases crop yield by 10 percent) earn more revenu ...
Looking for some guidance on estimating supply and demand curves. An sample practice problem lists: (demand and supply are in millions) Q(demand)=10-4P Q(supply)=-2+8P How do we plot something like this on a graph to fin ...
Has a recent drop in airplane passengers resulted in better on time performance? Before the recent downturn, one airline bragged that 92% of its flights were on time. A random sample of 165 flights completed this year re ...
A manager has a utility function U = C 0.5 if she doesn't work hard and U = C 0.5 - 3 if she does. Expected profit will increase from 1,000 to 1,500 if she works hard. The manager receives compensation C equa ...
A researcher is interested in the relationship between leisure time physical activity, diet, extracurricular activities and hours of sleep with cardiovascular fitness in children ages 6 through 12. She will recruit 100 c ...
A factory makes parts for laptop computers, including screws. The screws are required to have the right length. The lengths of the screws obey a normal distribution with mean μ=4.25 millimeters and standard deviation σ=0 ...
A sample of 184 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.69. What is the standard deviation of the sampling deviation?
Suppose Oregon proposes indexing the minimum wage to inflation. Describe the substitution and scale effects you anticipate with this policy? (In your response, assume that the minimum wage is an effective price floor and ...
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