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Kurt's Adventures, Inc. stock is quite cyclical. In a boom economy, the stock is expected to return 30% in comparison to 12% in a normal economy and a negative 20% in a recessionary period. The probability of a recession is 15%. There is a 30% chance of a boom economy. The remainder of the time, the economy will be at normal levels. What is the standard deviation of the returns on Kurt's Adventures, Inc. stock?
Should the finite-population correction factor be used? Why or why not?
Which are likely to be independent events? For those you think are not, suggest reasons why.
Using one mean Z test to test whether or not to support the claim - Is there evidence that the average hours is below 6? Describe.
If he selects the three brands at random, what is the probability that he will select the following?
Is there any evidence that the different teatments produced different responses? If so, which one seems to work best?
LINEAR PROGRAMMING MODELS
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
Compute test statistic for sample data that you would use to test whether sample mean varies from population mean of 10 pounds at a 5 percent level of significance in two-tailed test.
It does not matter, when data are skewed mean and median are the same.
Healthcare issues are receiving much attention in both academic and political arenas. Compute the arithmetic mean age of the uninsured senior citizens to the nearest hundredth of a year.
By using the maximax criterion, what decision should be made by the decision maker?
Using this test 80% of Down's syndrome cases can be identified at birth, while 5% of normals are detected as positive. a. What is the sensitivity and specificity of the test?
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