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If your sister turned 35 years old today and she is planning to save $8,500 per year for retirement, with the first deposit made one year from today and the last deposit made on her 65 birthday. She currently has no retirement savings. She will invest in a mutual fund, which she expects to provide a return of 7% per year throughout her lifetime. She plans to retire 30 years from today, when she turns 65. She will make a total of 25 annual withdrawals-with her first withdrawal made when she is 66 years old and the last withdrawal made when she is 90. After the last withdrawal there will be $500,000 left in the account. Under these assumptions, how much can she spend in each year after she retires?
A consumer group claims that the average wait time at a facility exceeds 40 minutes. Write the appropriate null and alternative hypothesis.
A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on very accurate scale. The results in grams were 3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477 (a)Construct a 90% confidence interval for the tr..
Living on campus. A February 2, 2008, article in the Columbus Dispatch reported a study on the distances students lived from campus and average GPA.
Suppose that the dividends of dividend-paying stocks are normally distributed with a mean of 3.86% (as a percentage of the share price) and a standard deviation of 1.25%. In a sample of 55 dividend-paying stocks, what is the probability that the a..
Many college students are familiar with meditation exercises. One question about meditation that has been answered is: Are there physiological effects?
Explain what "expected value" means in this situation.- Is E(X) a possible outcome for the number of children that the Brann family will have?
The aim of the assignment is to use methods in data exploration, presentation and statistical hypothesis testing to evaluate the implications of human activities for conservation management of IUCN Red-Listed grouper fish communities in a system o..
A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed population with a mean of u = 80 and a standard deviation of o= 20. The researcher expects a 12 point treatment effect and plans to use a t..
A standard deviation of 4,000 miles. The tires carry a warranty for 35,000 miles. a. What proportion of the tires will fail before warranty expires?
does the order in which wine is presented make a difference? subjects were asked to taste two different win samples in
let 18 and 10 be the standard deviations of the independent random variables x and y respectively.what is the standard
Suppose X is a hypergeometric random variable with sample size 8, population size 16, Find the mean, variance, and standard deviation of X
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