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ESTIMATION OF PARAMETERS: CONFIDENCE INTERVAL The mean and standard deviation of the blood sugar level of randomly selected 50 patients in a hospital are 130

ESTIMATION OF PARAMETERS: CONFIDENCE INTERVAL

The mean and standard deviation of the blood sugar level of randomly selected 50 patients in a hospital are 130 mg/dl and 4.6 mg/dl, respectively.

a.Find the 90% confidence interval for the mean of all patients in the hospital.

b.Find the 95% confidence interval for the mean of all patients in the hospital.

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