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Mathematics, 25.03.2021 16:40 tordoor7182

A research engineer for a tire manufacturer is investigating tire life for a new rubber compound and has built 16 tires and tested them to end-of-life in a road test. The sample mean and standard deviation are 60,139.7 and 3860.22 kilometers. Can you conclude, using that the standard deviation of tire life is less than 4000 kilometers

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