The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.43. Construct a 95% two-sided confidence interval for o. Assume population is approximately normally distributed Round your answers to 4 decimal places.
The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.43. Construct a 95% two-sided confidence interval for o. Assume population is approximately normally distributed Round your answers to 4 decimal places.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard
deviation is s = 0.43. Construct a 95% two-sided confidence interval for o. Assume population is approximately normally distributed.
Round your answers to 4 decimal places.
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