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A random smaple of 75 students has a test score average with a standard deviation of 9.5. Find the margin of error if c=0.95
Statistics and Probability, Statistics
A random sample of 19 college? men's basketball games during the last season had an average attendance of 5,046 with a sample standard deviation of 1,753. a. Construct a 99?% confidence interval to estimate the average ...
A sales table at Anthony's Department Store contains a pile of sweaters, 19 medium size and 20 small size. A sweater is selected at random. Find the probability that it is a small size. Round your percentage to the tenth ...
What is liquidity and why is liquidity important to the success of a business? Give the Reference
Determine the sample size n needed to construct a 99?% confidence interval to estimate the population mean when σ=24 and the margin of error equals 9.
1. Summary statistics for returns on two stocks X and Y are listed below. Mean Variance Stock X 2.83% 0.006000 Stock Y 5.98% 0.003000 The covariance of returns on stocks X and Y is 0.001500. Consider a portfolio of 80% s ...
A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3 minutes. In a random sample of 62 calls, the average wait time before a representative answe ...
A National Center for Health Statistics report based on 1985 data states that 30 percent of American adults smoke. Consider a simple random sample of 17 adults. Find the probability that the number of smokers in the samp ...
Describe in detail each of four risk factors of holding a domestic bond. Your summary should convince the reader that you fully understand each risk factor.
Pete Pablo has $20000 to invest. He is very optimistic about the prospects of two companies, 919 Brands and Diaries.com. However, Pete has a very pessimistic view of one company, a financial institution known as Star Ban ...
When Carolina's house burned down, she lost household items worth a total of $145,000. Her house was insured for $245,000, and her homeowner's policy provided coverage for personal belongings up to 70 percent of the insu ...
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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