# Question: Suppose you have selected a random sample of n

Suppose you have selected a random sample of n = 7 measurements from a normal distribution. Compare the standard normal z-values with the corresponding (z-values if you were forming the following confidence intervals:

a. 80% confidence interval

b. 90% confidence interval

c. 95 % confidence interval

d. 98% confidence interval

e. 99% confidence interval

f. Use the table values you obtained in parts a-e to sketch the z- and (-distributions. What are the similarities and differences?

a. 80% confidence interval

b. 90% confidence interval

c. 95 % confidence interval

d. 98% confidence interval

e. 99% confidence interval

f. Use the table values you obtained in parts a-e to sketch the z- and (-distributions. What are the similarities and differences?

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