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Illustrate how critical values associate to the confidence interval using example variable. Explain how margin of error associates to confidence intervals and to ecology. Give the example related to example variable.
Statistics and Probability, Statistics
What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?
It is now May 1, 2015, and Timmy has just purchased a five-year U.S. government bond (FV = $1,000) with a quoted price of 93.779. This bond has a 6-percent coupon rate, and the last semi-annual coupon payment was made on ...
Financial Management How can a financial manager use the time value of money(TVM) concept to accomplish this goal?
Question: In one law school class the entering students averaged 700 on the LSAT test with a standard de-viation of 40. Assuming the distribution of test scores was normal, what fraction of the class scored above 750? Th ...
A school district is trying to estimate the proportion of students at the high school who would eat a school breakfast if the cafeteria were opened to students at 6 am. A new employer opened up within the district and th ...
Kirk Inc. has come out with a new and improved product, and is expected to have an ROE of 14.4%. It will maintain a plowback ratio of 30%. Investors expect a 6.3% rate of return on the stock. (a) At what P/E ratio would ...
You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric f ...
How is calculating confidence interval different or similar to gambling?
A researcher records the following number of birdcalls made during an experimental session with robins: 8.4 0.9 (M SD). Assuming these data are normally distributed, what is the probability that robins made more than 11 ...
Suppose you just purchased a digital music player and have put 9 tracks on it. After listening to them you decide that you like of the songs. With the random feature on your? player, each of the 9 songs is played once in ...
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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