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3. Keith has told his manager that Michelle has a learning percentage of 80 in a database search job. Records show that the times

3. Keith has told his manager that Michelle has a learning percentage of 80 in a database search job. Records show that the times that Michelle took for the first four searches in her job were 30.5, 28.4, 27.2, and 27.0 minutes. Does a learning percentage of 80 seem reasonable? Justify your answer using appropriate calculations. (5 points)

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