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Give an example of a hypothesis test you could perform at work or at home. State what the Null and the Alternative hypotheses would be in your test. Explain how you would settle on a reasonable level of significance for your scenario. Also explain what the type I and II errors would be if you reached the incorrect conclusion in your test. Respond to at least two of your classmates' postings.
Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.
Romance USA present reported that 11 percent of all books sold are of the romance genre. If a local bookstore sells 316 books on a given day
Illustrate what does weighting add to usefulness of moving averages and explain how is it done. The yield on a thirty year treasury note at the end of every year since 1990 is recorded below.
What is the probability the average of the sample is more than $38000 and What is the standard deviation of the sample mean
Reading highway signs is not always easy, especially if your vision is imperfect. Vision in general tends to deteriorate with age. Two researchers conducted a study to determine if the distance at which a standard highway sign could be recognized ..
By using significance level a = .05, and suppose a normal distribution what does evidence conclude?
In Excel, which of the following functions is used to conduct a hypothesis test (using the p -value) for a population variance
If campaign can be expected to also to rise the probability of best case scenario to 0.4, is it a good investment.
The resort's historical climate data suggests that the probability of a good winter with lots of snow during any given year is 40%.
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
A random sample of 36 days yielded the average daily output of 890.2 tons, with standard deviation of 19.8 tons. Use this information to make a 95% confidence interval for mean.
Develop a mathematical programming model and solve. Discuss your results [total profits, total costs, etc].
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