Doug Brackett wants to have enough mechanics on hand to take care of his customer requests, but he does not want to be paying mechanics to sit around doing nothing. Doug needs to know a reasonable upper limit on the number of customers so he can plan his staff schedule. About 97.5% of the time, what is the maximum number of customers Doug should plan for?
Answer to relevant QuestionsIn Develop Your Skills 2.5, Exercise 21, you were asked to produce a scatter diagram for data on household income and monthly spending on restaurant meals. Calculate an appropriate measure of association for these two ...Two of the data sets depicted in Exhibit 3.43 below have an r-value of 0.73, and one has an r-value of – 0.90. Indicate which r-value belongs to each graph. How can the r-values be the same for the two graphs you have ...A company is trying a new product line in a random sample of stores.Previously; the average of sales at all stores was $5,000 a week. Weekly sales at the stores trying out the new product line were recorded, with the results ...Cans of soup are supposed to contain 540 mL. A random sample of 35 cans of soup is selected from the production line, and their contents measured carefully. Assume this sample is representative of the population. The company ...Annual sales for two printing shop franchises are shown opposite in Exhibit 3.47. Calculate an appropriate measure of variability. Which enterprise had more variable sales over the period?
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