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Question: Business and Management. A U.S. textile company is interested in the proportion of orders shipped to another country. In a random sample of 1560 clothing orders placed to U.S. companies, 500 were exported.
a. Find a 99% confidence interval for the true proportion of clothing orders shipped to other countries.
b. In the previous year, the true proportion of clothing orders shipped to other countries was believed to be 0.30. Using your answer to part (a), is there any evidence to suggest the true proportion has changed? Justify your answer. Write a Solution Trail for this problem.
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