Question: A random sample of 24 items is drawn from a population whose standard deviation is unknown. The sample mean is x = 880 and the

A random sample of 24 items is drawn from a population whose standard deviation is unknown. The sample mean isx= 880 and the sample standard deviation iss= 5. UseAppendix Dto find the values of Student'st.

(a)Construct an interval estimate ofwith 99% confidence.(Round your answers to 3 decimal places.)

The 99% confidence interval is from____to ____

(b)Construct an interval estimate ofwith 99% confidence, assuming thats= 10.(Round your answers to 3 decimal places.)

The 99% confidence interval is from____to ____

(c)Construct an interval estimate ofwith 99% confidence, assuming thats= 20.(Round your answers to 3 decimal places.)

The 99% confidence interval is from____to ____

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