Are the scores significantly less than 80
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion
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Formulate the null and alternative hypotheses. Determine the observed p-value for the hypothesis test and interpret this value. What does this mean?
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Write a minimum two page report explaining how certain aspects of the movie pertained to the material covered in our textbook. Assignments received that are longer than two pages will be graded down.
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Construct a 99% confidence interval for the average length of usage time to recharge. How large a sample size will need to be selected if we wish to have a 99% confidence interval with a margin for error of .25 hours?
Double D Ranch and Esau enter into a contract on August 1 for the sale of 200 cattle. Esau cancels the contract ten days later. Double D is unable to sell the cattle to another buyer. Double D is entitled to
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