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A new gene scan is developed to detect a certain type of cancer. It is studied in 100 patients who also have the gold standard of a biopsy done. Of the 100 patients studied, 70 turn out to have the cancer. The blood test detects the cancer in 60 of these patients. For the 30 who do not have cancer, the blood test is negative in 20 of them. The sensitivity of this test is
the mean gas mileage for a hybrid car is 56 miles per gallon. suppose that the gasoline mileage is approximately
The production manager uses a DSS to make decisions about what to do. The maximum attainable profit is required. Develop a simple DSS prototype to solve this problem. a. How many of each kind of bike should be ordered? b. What is the total profit r..
On a particular day a security camera is installed. Using an entry sensor, the camera takes pictures of every customer entering the shop.
a financial analyst claims that the return rate of a 15-year bond has a standard deviation of 6.8. determine whether
Assume that a study of 300 randomly selected school bus routes showed that 279 arrived on time. Is it unusual for a school bus to arrive late?
What is the probability that a 400-square-foot painted section will have fewer than 6 blemishes? What is the probability that six randomly sampled sections of size 400 square feet will each have 7 or fewer blemishes?
If k people are seated in a random manner in a circle containing n chairs (n > k ), what is the probability that the people will occupy k adjacent chairs in the
Which of these rates is farthest from the mean and therefore contributes most to the standard deviation?
A multiple regression equation for list price of homes in certain community in USA is=170,000 -850 X 1 + 28,000 X 2 , where X 1 signifies age in years and X 2 signifies number of rooms.
1. What does the current ratio reveal about a company's financial condition? 2. Define and discuss Cost of Goods sold.
If one-third of the University of Wisconsin teaching assistants (TAs) sign a petition calling for a collective bargaining election, an election will be held. A survey of 50 TAs indicates that 40% will sign the petition. What is the probability ..
Determine the Conclusion: Assume that you obtained a p-value less than your selected value for alpha, provide a conclusion about your research hypothesis.
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