The diameter of holes for a cable harness is known to have a normal distribution with o = 0.03 inches. A random sample of size 12 yields an average diameter of 1.5045 inches. Find a 95% two-sided confidence interval on the mean hole diameter. Round the answers to 4 decimal places. sHs i

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The diameter of holes for a cable harness is known to have a normal distribution with o = 0.03 inches. A random sample of size 12
yields an average diameter of 1.5045 inches. Find a 95% two-sided confidence interval on the mean hole diameter. Round the answers
to 4 decimal places.
i
i
Statistical Tables and Charts
Transcribed Image Text:The diameter of holes for a cable harness is known to have a normal distribution with o = 0.03 inches. A random sample of size 12 yields an average diameter of 1.5045 inches. Find a 95% two-sided confidence interval on the mean hole diameter. Round the answers to 4 decimal places. i i Statistical Tables and Charts
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