Question: Refer to Exercise 8 32 a Find a 90 confidence interval for

Refer to Exercise 8.32.
a. Find a 90% confidence interval for μ.
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. 8.5 on page 315 to display both confidence intervals.
d. Which confidence interval yields a more precise estimate of μ? Explain your answer.

  • CreatedAugust 13, 2015
  • Files Included
Post your question