confidence interval for the population mean test score.
4) Question: A sample of 40 patients shows that their average cholesterol level is 200 mg/dL with a standard deviation of 20
mg/dL. Construct a 99% confidence interval for the population mean cholesterol level.
5) In a survey of 300 households. 180 have high-speed internet access. Construct a 95% confidence interval for the
Construct a 95% confidence interval for the population mean test score.
4) Question: A sample of 40 patients shows that their average cholesterol level is 200 mg/dL with a standard deviation of 20 mg/dI.. Construct a 99% confidence interval for the population mean cholesterol level.
5) In a survey of 300 households, 180 have high-speed internet access. Construct a 95% confidence interval for the population