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Mathematics, 21.11.2019 03:31 sduquesnay23ocesdcom

Amanufacturer produces piston rings for an automobile engine. it is known that ring diameter is normally distributed with millimeters. a random sample of 15 rings has a mean diameter of . construct a 99% two-sided confidence interval on the true mean piston diameter and a 95% lower confidence bound on the true mean piston diameter.

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Amanufacturer produces piston rings for an automobile engine. it is known that ring diameter is norm...
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