Refer to Exercise 8 3 Assume that recent wedding costs in
Refer to Exercise 8.3. Assume that recent wedding costs in the United States are normally distributed with a standard deviation of $8100.
a. Determine a 95.44% confidence interval for the mean cost, μ, of all recent U.S. weddings.
b. Interpret your result in part (a).
c. Does the mean cost of all recent U.S. weddings lie in the confidence interval you obtained in part (a)? Explain your answer.
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