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Using a test, 80% of Down's Sydrome cases can be identified, while 5% of normals are detected as positive. What is the sensitivity and specificity of the test?
Statistics and Probability, Statistics
To what extent does the client hold a responsibility for the success of their financial plan?
What is the maximum that should be invested in a project at time zero if the inflows are estimated at $10,000 annually for three years, and the cost of capital is 9%?
A statistics student has collected data from a random sample of 20 college students at his school. He collected data on many variables including GPA (grade point average) and how many hours per week they play video games ...
The number of facets in the eye of the fruit fly Drosophila melanogaster is of interest in genetics to model changes across many generations (ie genetic selection). The distribution of the number of facets in the eye in ...
How is calculating confidence interval different or similar to gambling?
What is the fraction defective if material hardness is normally distributed with a mean of 42 and a standard deviation of 1 and the specification limits for hardness are from 35 to 45? What value for the process mean wil ...
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?
An electronics store receives a shipment of 37 graphing calculators, including 5 that are defective. Eight calculators are chosen at random to be sent to a local high school. How many selections contain 3 defective?
Fifty-seven percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly select 8 employees and ask them if they judge co-workers based on this criterion. The random va ...
The managers of a car store observe that 70% of all the cars they sell are bought by people who already own a car. They also observe that 50% of the customers who come to the store but do not buy a car, already own one. ...
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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