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Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u=222 days and standard deviation o=13 days. What is the probability that a randomly selected pregnancy lasts less than 218 days?
Statistics and Probability, Statistics
The Everly Equipment Company's flange-lipping machine was purchased 5 years ago for $70,000. It had an expected life of 10 years when it was bought and its remaining depreciation is $7,000 per year for each year of its r ...
In a certain city, a school administrator hypothesized that students enroll in school within 5 km from their homes. To check this claim you asked 30 student from the said city and you found that the mean distance between ...
Income can have significant effects on people's spending patterns. Research studies have revealed that consumer expenditure is influenced by various factors such as their income, gender, age and level of education. In or ...
A sample of 184 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.69. What is the standard deviation of the sampling deviation?
Last year Galaxy Corp had $350,000 of assets (which is equal to its total invested capital), $475,000 of sales, $30,250 of net income, and a debt-to-capital ratio of 40%. The new CFO believes the firm has excessive fixed ...
Suppose that 1% of the employees of a certain company use illegal drugs. This company performs random drug tests that return positive results 99% of the time if the person is a drug use. However, it also has a 2% false p ...
Describe the theoretical problems of ethics (3), the objectives to solving them.
The following is a partial relative frequency distribution of grades in an introductory statistics course. Grade Relative Frequency A .22 B ? C .18 D ...
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 ...
A factory makes parts for laptop computers, including screws. The screws are required to have the right length. The lengths of the screws obey a normal distribution with mean μ=4.25 millimeters and standard deviation σ=0 ...
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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