Mathematics, 26.05.2021 15:30 milkshakegrande101

Before agreeing to purchase a large order of polyethylene sheaths for a particular type of high-pressure, oil-filled submarine power cable, a company wants to see conclusive evidence that the population standard deviation of sheath thickness is less than .05 mm. What hypotheses should be tested, and why

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Before agreeing to purchase a large order of polyethylene sheaths for a particular type of high-pres...