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A set of data has a mean of 66 feet and a standard deviation of 3 feet ( and has a bell shaped curve). Describe completely.
Find the percent ( mean - 3 s< x< mean +2s)=? for the bell curve. Then find the percent (x > mean + s).
Statistics and Probability, Statistics
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For a population of individuals that has a standard deviation of 10, what is the standard error of the mean for samples of size (a) 2, (b) 3, (c) 4, (d) 5, (e) 10, (f) 20, (g) 100?
Question: 387 women receiving free bone mineral density screenings were questioned. The questions focused on past smoking history. Sujbects undergoing hormone replacement therapy (HRT), and subjects not undergoing HRT, w ...
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard deviation 2 hours. a. What percent of the packages will be delivered in less than 18 hours? b. ...
In 20% of families the father has celiac disease (Event F) while the mother does not, in 15% of families the mother has celiac disease (Event M) and the father does not, and in 5% of families both the mother and the fath ...
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. Assume that the first cash flow will occur one year from today (that is, at t = 1). (Round your answer ...
Project Q costs 240. It provides inflows of 120 per year for three years. The cost of funds is 6%. Find the replacement chain value needed to compare it to a six year project.
A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 12 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the ...
What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.
A package contains 12 resistors, 2 of which are defective. If 4 are selected, find the probability of getting the following results. Round your answer to six decimal places. 0 defective resistors P(0 defective)=
How does a firm navigate strategic management in the context of an international environment? What complications does an international environment provide? What are the benefits of operating in an international environme ...
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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
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As