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QUESTION
A company that manufactures bookcases finds that the average time it takes an employee to build a bookcase is 20 hours with a standard deviation of 5...
A company that manufactures bookcases finds that the average time it takes an employee to build a bookcase is 20 hours with a standard deviation of 5 hours. A random sample of 49 employees is taken. What is the likelihood that the sample mean will be 23 hours or more?
