The company that produces the mixed nuts described in Exercise 21 claims that the percentage of peanuts in the mixed-nuts package is no more than 50%. Does this sample provide evidence that there are more than 50% peanuts in the mixed nuts packages? Use α = 2.5%.
Answer to relevant QuestionsA randomly selected package from a competing company producing mixed nuts provides the information shown in Exhibit 12.43. Is there evidence of a difference in the proportion of types of nuts for the two companies? Use α = ...Why is there no such thing as a left-tailed goodness-of-fit test? If appropriate, test to see whether there is evidence of a positive relationship between the number of sales contacts and sales for the Hendrick Software Sales Company. Use α = 0.05. If appropriate, create a 98% confidence interval for the average sales at the Hendrick Software Sales Company, for 10 sales contacts. Check that the requirements for the theoretical model are met for the data on semester average marks and hours spent working. When the professor checked the data, she noticed that there were two unusually low marks: a 22 and ...
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