You work at Barnsdall's exclusive manufacturer of Johnson rods. One of the operations at the facility requires
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Question:
You work at Barnsdall's exclusive manufacturer of Johnson rods. One of the operations at the facility requires cutting pieces of metal. The life of a cutting tool is normally distributed with a mean of 26.3 and a standard deviation of 4.7 operating hours. The cutting tools are replaced at the start of each day, and each day consists of two eight-hour shifts. What is the probability that the tool will not fail before being replaced?
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