Refer to Exercise 8.32 a. Find a 90% confidence interval for b. Why is the confidence interval y
Question: 38 Refer to Exercise 8.32
a. Find a 90% confidence interval for 
b. Why is the confidence interval you found in part (a) shorter than the one in Exercise 8.32?
c. Draw a graph similar to that shown in Fig. 8.4 on page 370 to display both confidence intervals.
d. Comment on advisability of using the z-interval procedure here.
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Answer: The solution file consists of 2 pages
Solution Format: Word Document
Solution Format: Word Document
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