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An insurance policy costs $100 and will pay policyholders $10,000 if they suffer a major injury or $3000 if they suffer a minor injury. The company estimates that each year 1 in every 2000 policy holders may have a majory injury and 1 in 500 a minor injury. What is the company's expected profit on a policy?
You are planning to test a vaccine for a virus that has no vaccine. Since the disease is usually not serious, you will expose 100 volunteers to the virus. After some time, you will record whether or not each volunteer has been infected.
Let x be amount of May rainfall in local area, and suppose that x is uniformly distributed over interval three to six inches. Write down the formula for probability curve of x.
There are two ways to run the experiment. The first is to obtain a random sample of 12 drivers, divide them into two groups at random and assign one group to the standard light and the second group to the new light. Suppose the table below represents..
Value of s^2 (s(squared)), is less than or equal to 0.01 even though s = 0.0075. What is to be done with a shipment of this glass for which the sample variance of the indices of refraction equaled 0.000182?
Use the data set for math education and conduct an ANOVA to see if there are any statistically significant differences with respect to problem solving total for students who have different categories of the concept of learning by themes (colcateg)..
Assume that cars are independent regarding to their paint quality. Each car has a 90% chance of passing the test. What is the probability that 3 of the next 6 cars will fail the test?
Describe the meaning of alternatives, criteria and states of nature. How are they utilized in decision analysis?
Sample size of only 20. Find out a 95% confidence level for population Cp.
In conducting a hypothesis test to see if there is evidence that the population mean is less than 220, using a .03 significance level what will be your critical value?
Calculate the least square estimates of the slope and intercept. What is the estimate ofσ2? Find the estimate of the mean deflection ifthe stress level can be limited to 69%.
we write the numbers 1 -10 on separate pieces of paper and put them into a box. a number is drawn from the box. find
A statistician is interested in determining whether food preferences depend on the country. The data is presented below. What is the correct statistical test for analyzing the data?
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