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An experimental test to detect a particular type of cancer indicates the presence of cancer in 90% of individuals known to have this type of cancer, and in 15% of individuals known to be cancer-free (false positive). One hundred individuals volunteer to take the test. Of the 100, 60 are known to have the cancer, and 40 are known to be cancer-free. If the test indicates that one of the individuals, randomly chosen, has the cancer, what is the probability that he or she is actually cancer-free?
Select a method for graphically representing the provided date Use the method to create a graph analyze the date and provide a narrative description of my analysis.
Statistics. A manufacturer claims that the mean lifetime of its fluorescent light bulbs is 1500 hours. A homeowner selects 40 bulbs and finds the mean lifetime to be 1480 hours with a population standard deviation of 80 hours. Test the manufactur..
1 suppose we want to determine the binomial probabilityp of getting 4 heads in 15 flips of a 2-sided coin.nbsp using
A random sample of 2000 students showed that 860 were in favour of more movies on campus. Calculate the sample proportion for this result? Give your answer as a decimal fraction to 2 decimal places.
consider a dial having a pointer that is equally likely to point to each of n region numbered 12...n. when we spin the
Suppose that the distribution of calories is approximately normal with o = 10. Find the probability that a randomly selected chocolate bar will have a) Between 200 and 220 caloies.
Select two non-parametric tests utilized in business decision making? Give an example of each test with an appropriate business situation.
The booked passengers actually arrive for the flight. Estimate the probability that if the company books 278 persons. not enough seats will be available.
Professor Green gives two-month computer programming courses during the summer term. Students must pass a number of exams to pass the course, and each student is given three chances to take the exams
There are 4 samples of 40 individuals each interviewed to find out how often they visit a fast food restaurant in the week.
As a public health personnel, you conducted a survey and collected economic and health data on households in a township that is known to have a high prevalence of heart disease.
A group of young businesswomen wish to open a high fashion boutique in a vacant store, but only if the average income of households in the area is at least $25,00.A random sample of 9 households showed the following results:
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