A random sample of forty-one 200-meter swims has a mean time of 3.875 minutes. The population standard deviation is 0.060 minutes. A 95% confidence interval for the population mean time is (3.860,3.890). Construct a 95% confidence interval for the population mean time using a population standard deviation of 0.03 minutes. Which confidence interval is wider? Explain. The 95% confidence interval is (). (Round to three decimal places as needed.) os prrect: 2 nts Library

MATLAB: An Introduction with Applications
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A random sample of forty-one 200-meter swims has a mean time of 3.875 minutes. The population standard deviation is 0.060 minutes. A 95% confidence interval for
the population mean time is (3.860,3.890).
Construct a 95% confidence interval for the population mean time using a population standard deviation of 0.03 minutes. Which confidence interval is wider? Explain.
The 95% confidence interval is (
(Round to three decimal places as needed.)
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Transcribed Image Text:A random sample of forty-one 200-meter swims has a mean time of 3.875 minutes. The population standard deviation is 0.060 minutes. A 95% confidence interval for the population mean time is (3.860,3.890). Construct a 95% confidence interval for the population mean time using a population standard deviation of 0.03 minutes. Which confidence interval is wider? Explain. The 95% confidence interval is ( (Round to three decimal places as needed.) os nts orrect: 2 Library Clear all Check answer View an example Get more help- Help me solve this 100e
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