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Question: For problem, suppose the biologists believed the proportion of infected crabs in the population was equally likely to be anywhere from 10% to 90%. Using the discrete points 0.1, 0.2, etc., construct a uniform prior distribution for the proportion of infected crabs, and compute the posterior distribution after the results of the sampling in problem.
Problem: An article in Forbes discusses the problem of oil and gas reserves around the world. Forecasting the amount of oil available is difficult. If the average number of barrels that can be pumped daily from an oil field is a normal random variable with mean 7,200 barrels and standard deviation 505 barrels, and a random sample of 20 days reveals a sample average of 6,100 barrels and standard deviation of 800, give a 95% highest-posterior-density credible set for the average number of barrels that can be pumped daily.
Does the gender of an individual influence their gpa scores? Null: Gender does not influence gpa scores. Alternative: Gender does influence GPA scores.
Question 4. The data set educat ion. dt a contains data on the years of education of a random sample of 718 Americans. as well as the same information for both of their parents.
Will the 95% confidence interval for the true national retention rate in private colleges be wider or narrower than the 95% confidence interval.
Thirty-two samples of 8 items each were collected from a process. The average sample mean is 12 and the average range is 0.10. The upper and lower control limits, respectively, for an:
Is there an effect due to development time? Plot the mean density for each developer strength for each development time.
barbara miller makes decisions according to bayes decision rule. for her current problem barbara has constructed the
Is ibuprofen alone significantly different (in the statistical sense) in relieving pain than ibuprofen and acetaminophen together?
the traditional view about the normal curve in psychology is that normal curves area rare in nature but often occur in
Consider a game where a person is given the choice between two envelopes both containing money but one envelope with double the amount in the other envelope.
It has been estimated that one in five Americans suffers from allergies.- what is the probability that at least 8 of the students will be able to stay for the duration of the dinner event?
two cars leave towns 1000 kilometers apart at the same time and travel toward each other. one cars rate is 14
Chemical composition of rain water. The Journal of Agricultural, Biological, and Environmental Statistics presented a study of the chemical composition of rain water. - Identify the type for each independent variable.
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