Question
A quality-control expert tested a random sample of 13 shoelaces from the Footwear Factory. The breaking strengths of the laces in the sample appeared to
A quality-control expert tested a random sample of 13 shoelaces from the Footwear Factory. The breaking strengths of the laces in the sample appeared to be normally distributed with a mean of 465pounds, and a sample standard deviation of 43pounds. Find the margin of error for a 99 confidence interval for the mean breaking strength of all Footwear Factory shoelaces.
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
