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Problem 8. Suppose that an insurance company classifies people into low, average and high risk persons. Their records indicate that the probabilities of being involved in an accident over a 1-year period are 0.05, 0.15 and 0.30 for low, average and high risk persons, respectively. Assume that 30% of the population is low-risk, 50% is average-risk and 20% is high-risk.
(a) What proportion of people have accidents in a fixed year?
(b) John Doe had no accidents in 2004, but his wile Jane did. What are he probabilities for each of them to be low-risk persons?
Average-risk? High-risk?
Create a real-world situation or problem involving children who have adhd. Within state the independent and dependent variables you would study
Take the Independent Variable (1) and conduct research on comparing the Dependent variables (3) and conduct analysis using SPSS (i can do this part) and write a paper with methods and results. More details can be provided if interested.
it is known that 65 of all brand a zip drives work in a satisfactory manner throughout the warranty period are
A baseball fan would like to estimate the mean time it takes to complete a major league baseball game. He randomly selects 40 game lengths (times to complete games) for major league baseball games and finds the mean to be 178 minutes with a standard ..
stock repurchasesbeta industries has net income of 1700000 and it has 1830000 shares of common stock outstanding. the
How large a sample should be tested in order to be 99% confident that the true proportion of inedible fish is estimated to within 7%? Use 2.575 as the critical value for a 99% confidence interval.
There is some concern that exposure to gases used in anesthesiology might be harming health of anesthesiologists. In one study of 525 Michigan nurse anesthesiologists, 10 reported a new malignancy other than skin cancer during the previous year.
In the graphical method, how do you know when a problem is infeasible, unbounded, or when it has multiple optimal solutions? Give a real-world example of when you could have an infeasible problem.
keyless entry clickers are used to open doors in a variety of products. suppose you are a quality control statistician
Calculate the 95% standard deviation for each department and indicate for me if any department is receiving on average $2k or more on the high end.
Diagnosis tests of medical conditions have several results. The test result can be positive or negative, whether or not a patient has the condition.
If the sample proportion is .45, and the standard error of the sample proportion is .035, the appropriate conclusion would be to reject 0 H?
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