A surgeon would like to know how long it takes, on average, to complete a coronary artery

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A surgeon would like to know how long it takes, on average, to complete a coronary artery bypass surgery. A random sample of 42 surgeries with an average of 2.7 hours is collected. Assuming the distribution is normal with a population standard deviation of 1.25 hours. find the 70% confidence interval

Posted Date: May 19, 2024 05:14 AM

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A surgeon would like to know how long it takes, on average, to complete a coronary artery

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