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A new product has the following profit projections, associated probabilities, and indifference probability:
Profit Probability Indifference Probability
$150,000 .10 --
$100,000 .25 .95
$50,000 .20 .70
0 .15 .50
-50,000 .20 .25
The economists in the Obama administration suggested that the stimulus package that they recommended in early 2008 would keep unemployment under eight percent.
What will be measurable data in this case and (assume a survey will be conducted and or data can be obtain). What will be at least two independent variables and one dependent variable. (and assuming they are consistent with the collected data)
Conduct a one-tailed hypothesis test given the information below. A certain brand of Green Energy light bulbs was advertised as having an average illumination life-span of 2,500 hours.
Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
He argues that the regression effect says people who perform very poorly in their previous job tend to perform well in their next job. Is this what the regression effect says? Explain.
How does the efficiency of a regression predict the power of the t-test? How do robust standard errors change the comparison between hypothesis testing using OLS and robust regression? What does dependence in the e do to the t-test? what does non-no..
A cereal manufacturer seeks to test their newest product against competitor's. A group of 100 children was asked to measure each brand, and then to express a preference.
Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret results in context of real life situation.
Suppose that this is a simple random sample of adult residents of Maine.
Advertising coefficient is 200 and t stat is 1.75. Which of the following statements is an accurate interpretation of the situation when using an alpha of .10
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
You find that a random sample of five microwave ovens has a mean repair cost of $75 and a standard deviation of $12.50. At α = 0.01, do you have enough evidence to support the repairer's claim?
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