Mathematics, 25.11.2021 14:00 julie8669
The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 80 pounds. A random sample of 50 newly manufactured cables has a mean breaking strength of 1700 pounds. Based on this sample, find a 90% confidence interval for the true mean breaking strength of all cables produced by this manufacturer.
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The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 80...
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