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Neckwarmers. Mountainside Fleece sold 40 Neckwarmers. Solid-color neckwarmers sold for $9.90 each and print ones sold for $12.75 each. In all, $421.65 was taken in for the neckwarmers. How many of each type were sold?
Statistics and Probability, Statistics
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 ...
What is the present value of a security that will pay $9,000 in 20 years if securities of equal risk pay 12% annually? Round your answer to the nearest cent
In this question are you just using the empirical rule? You know that your population is normally distributed with a mean of 100 and a standard deviation of 15. Using the empirical rule as a rough approximation, what is ...
A representative from your company visited a prison and sampled 500 prisoners in Kailil , concluding that 90 of them are political prisoners. the Test hypothesis, at the 5% significance level, that one third of the priso ...
Find a 95%confidence interval for the population mean, using the formula or technology. Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the foll ...
A coin is flipped five times in an experiment. If x is the number of heads that turn out in the experiment, what is the set of possible values of variable x?
The risk rate of return is currently 0.05, whereas the market risk premium is 0.05. if the beta of RKP, inc ,stock is 1.9 , then what is the expected return on RKP?
Given the following values: = 20, M = 16, = 0.7, conduct a one-sample z test at a .05 level of significance. What is the decision for a two-tailed test? A) to reject the null hypothesis B) to retain the null hypothesis C ...
The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...
Below are commute times and amounts of rainfall for a few randomly selected dates last year. Rain (mm) Commute time (min) 3 20 0 10 1 25 9 30 15 60 12 25 Treat "Rain" as the X variable Compute the value of r for the corr ...
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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