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A farmer in Georgia must decide which crop to plant next year on his land: corn, peanuts, or soybeans. The return from each crop will be determined by whether a new trade bill with Russia passes the Senate. The profit the farmer will realize from each crop given the two possible results on the trade bill is shown in the following
payoff table.Trade BillPassFail
Crop Corn Peanuts Soybean$35,000 18,000 22,000$ 8,000 12,000 20,000
Determine the best crop to plant using the following decision criteria.
a. Maximaxb. Maximinc. Minimax regretd. Hurwicz (α = .3)e. Equal likelihood
How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
The delivery times and the number of cases delivered were recorded in the delivery file: Develop a regression model to predict delivery time, based on the number of cases delivered.
Chi-square test for goodness of fit - difference in the use of the four entrances?
Your regional manager is impressed with how you've employed spreadsheets to aid your small company in saving time and more accurately figuring out payroll amounts.
Find the expected frequency to test the claim that walking and low, moderate, and high blood pressure are not related. Round to the nearest tenth if necessary.
Records also point to that interviewing committee of bank officers approves 85% of individuals they interview. Determine probability that Ann's loan request is approved.
Assume the probability that a person has the desease is 0.1 for all people, independently of each other. Compute the total expected number of tests necessary.
By contrast, the large retail grocery chains (Kroger, Safeway, etc.) that sell cereal make much smaller margins. What would explain this divergence in margins?
Those who have quit smoking often return to the habit. The authors of a paper concluded that forbidding smoking in the smoker's residence was a significant predictor of the ability to abstain from smoking.
In a large metropolitan area, past records revealed that 30 percent of all the high school graduates go to college. Each student's choice to go to college is independent. From 20 graduates selected at random, what is the probability that exactly 8 wi..
Determine the sample size necessary to estimate a population mean to within 1 with a 90% confidence given that the population standard deviation is 10, Suppose that the sample was calculated at 150. Estimate the population mean with 90% confidence..
Does a regression model imply causation? Why or why not? Provide an example which provides and independent and dependent variable from your place of work.
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