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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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civil engineering
![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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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.
i
<o<
i
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