The QC department at Hershey Mechanical wants to estimate the average useful life of the new O-ring
Question:
a. Construct and interpret a 95% confidence interval estimate of average useful life for the full population of O-rings produced by the company.
b. For your interval in part a, identify the margin of error and the standard error term.
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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