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Give an example of a polynomial of a degree 2 that satisfies the following two conditions: (1) the coefficient of x^2 is 1 and (2) the polynomial cannot be factored. Explain why the polynomial cannot be factored.
Give an example of a polynomial with degree 2 that can be factored as the product of two polynomials of degree 1 each. Explain clearly how you factored the polynomial.
How many treatments are there? What is the total sample size? Is there a significant difference at the 5% Level of significance? Would I accept or reject the null Hypothesis.
A recent study at a local college claimed that the proportion of students who commute more than fifteen miles to school is no more than 25%.
Create Gantt chart using MSP. Suppose the 5 day workweek, compute critical path of the project.
A random sample of 50 female CFO's and a random sample of 40 male CFO's are selected. Find the expected value of the sample mean difference.
A hypothesis will test that two population means are equal. A sample of 10 with a standard deviation of 3 is selected from the first population and a sample of 15 with a standard deviation of 8 from the second population.
Explain the difference between the null and alternative hypothesis. Which one can be proven in a statistical sense?
Testing for Population mean - Based on this sample evidence, is Joan's supervisor correct? Use a = .05.
Define the rejection region. State the statistical decision.
After a logarithmic transformation, we obtain the following regression result of Cobb-Douglas production formula for a firm:
A quality inspector is interested in the time spent replacing defective parts in one of the company's products. The average time spent should be at most 20 minutes per day according to company standards.
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical conclusion about the null hypothesis and final conclusion that addresses the original claim.
The manufacturer of a computer terminal reports in its advertising that the mean life of the terminal, under normal use, is 6 years, with a standard deviation of 1.4 years.
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