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Let’s say you plan to retire 40 years from now, and you decide you could live on $40,000 per year if you retired today. If the inflation rate is 3% between now and your retirement date, how much money per year would you need to have saved?
Business Economics, Economics
IQ test scores of students are normally distributed with mean μ=100 and standard deviation σ=10. What is the 33th percentile of the IQ scores? For a randomly chosen student, what is the probability that his or her IQ sco ...
A rainstorm in Portland, Oregon, wiped out the electricity in 10% of the households in the city. Suppose that a random sample of 70 Portland households is taken after the rainstorm. Estimate the number of households in t ...
Determine the minimum sample size required when you want to be 75% confident that the sample mean is within twenty units of the population mean. Assume a standard deviation of 327.8 in a normally distributed population
If the coefficient of determination is 0.738, what percentage of the data about the regression line is unexplained?
There are three Grade 1 classes in a small community. Mr. Smithers' class has 12 students in it, Ms. Ruffle's class has 16 students, and Ms. Peter's class has 10 students. Suppose 2 students are selected at random from t ...
If a patient who was injured and is thinking about whether or not to file a medical malpractice claim against his doctor. He is considered a "rational" decision maker in the sense that he decides whether or not to file a ...
What is Equi-marginal principle? Why does it have to be true at interior optimum?
This problem involves the flipping of a fair coin. Assume that the coin is flipped 3 times, and the random variable X is defined to be 4 times the number of heads minus 5 times the number of tails. How many different val ...
A jewerly store paid a unit price of $250 less 40%, 16% , 8% for a shipment of designer watches. the store's overhead expenses are 65% of cost and the required profit is 55% of coat. a. What is the regular selling price ...
Why hasn't health care in Australia been entirely privatised, according to Boxall and Gillespie? Should health care (in Australia) be wholly privatised? Do you think it will be in the future?
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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