Solved: Find a confidence interval for the true mean, Basic Statistics

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Find a confidence interval for the true mean

Discussion:

The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 82 pounds. A random sample of 150 newly manufactured cables has a mean breaking strength of 1950 pounds. Based on this sample, find a 95% confidence interval for the true mean breaking strength of all cables produced by this manufacturer.

What is the lower limit of the 95% confidence interval?

What is the upper lint of the 95% confidence interval?

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Basic Statistics: Find a confidence interval for the true mean

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Basic Statistics: Find a confidence interval for the true mean

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